Thinking quotes

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Douglas_Adams

Scientific Method

“The invention of the scientific method and science is, I'm sure we'll all agree, the most powerful intellectual idea, the most powerful framework for thinking and investigating and understanding and challenging the world around us that there is, and it rests on the premise that any idea is there to be attacked. If it withstands the attack then it lives to fight another day and if it doesn't withstand the attack then down it goes. Religion doesn't seem to work like that.”
  • Source: Douglas Adams. From the speech entitled "Is There an Artificial God?"; spoken on 1998-09; spoken at the "Digital Biota 2" conference' held at Magdelene College Cambridge; online at http://www.biota.org/people/douglasadams/ (accessed 2017).

Christopher_Wolfgang_Alexander

Flimsy Solution Conviction

“In the case of a real design problem, even our conviction that there is such a thing as fit to be achieved is curiously flimsy and insubstantial. We are searching for some kind of harmony between two intangibles: a form which we have not yet designed, and a context which we cannot properly describe. The only reason we have for thinking that there must be some kind of fit to be achieved between them is that we can detect incongruities, or negative instances of it.”

Aristotle

First Principles

“For we do not think that we know a thing until we are acquainted with its primary conditions or first principles, and have carried out analysis as far as its simplest elements.”
  • Source: Aristotle (circa 350 BCE). Metaphysics. Book I. Translated into English by R. P. Hardie and R. K. Gaye.

Nima_Arkani-Hamed

Some Other Structure

“So, there's some other structure that we're looking for. And some way of thinking about interpreting this structure will let us see spacetime and quantum mechanics emerge simultaneously and joined at the hip.”
  • Source: Nima Arkani-Hamed, Harvard Lecture I. 2019. YouTube video entitled “Donald Hoffman's New Approach To Consciousness” channel “Dr Brian Keating”. Online at <https://youtu.be/mU_WBela71Y?si=fNfLLsOsUDRDC1XD> posted 2024-08, retrieved 2024-08. In video at 33:00.

Isaac_Asimov

Science Uncertainty

“Science is uncertain. Theories are subject to revision; observations are open to a variety of interpretations, and scientists quarrel amongst themselves. This is disillusioning for those untrained in the scientific method, who thus turn to the rigid certainty of the Bible instead. There is something comfortable about a view that allows for no deviation and that spares you the painful necessity of having to think.”
  • Source: Isaac Asimov, The ‘Threat’ of Creationism. In Ashley Montagu (ed.), Science and Creationism, published 1984, page 192.

F_Terry_Baker

Thinking Versus Coding Errors

“In short, it is the thinking errors, more than the coding errors, which limit programming productivity.”

Niels_Bohr

Clear Expression

“Never express yourself more clearly than you think.”

No Quantum World

“There is no quantum world. There is only an abstract quantum physical description. It is wrong to think that the task of physics is to find out how nature is. Physics concerns what we can say about nature.”
  • Source: The words of Niels Bohr as reported by Aage Petersen in his article ‘The Philosophy of Niels Bohr’ published in the journal Bulletin of the Atomic Scientists, September 1963, volume XIX, number 7. Available online at https://books.google.pt/books?id=DgcAAAAAMBAJ retrieved 2024.

Ludwig_Bolztman

Awkward Mind

“How awkward is the human mind in divining the nature of things, when forsaken by the analogy of what we see and touch directly.”

Lawrence_Bragg

Important Thing in Science

“The important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.”
  • Source: Suspiciously attributed to Lawrence Bragg in several sources including the book ‘No-Nonsense Classical Mechanics: A Student-Friendly Introduction’ by Jakob Schwichtenberg published independently in 2019, ISBN:978-1096195382, page before title page.

Robert_N_Britcher

Important Development Things

“The single, most important thing is that the individual programmer needs to be given total responsibility and control of the programming, including its function... eliminate project design and review as an exhaustive and rigorous process. Most of the design and review should occur as the program is written. ... Monitor progress on the project by talking to the individual programmers as [code] is being written. ... You must trust developers on the project to create a good product. ... Sometimes there are failures. ... The important thing is to fail quickly so you have time to find another approach. ... Developers must also feel free to say what they think to their supervisor. ... Managers should be the best programmers; ...There should be no overtime pay. ... Use profit-sharing and bonuses to get awesome products. ... Developers should each get their own office. ... Eliminate the dress code. Avoid meetings at all costs. ... Writing software is a lot like writing a book. Almost anyone can write garbage; very few can write a best-seller.”
  • Source: Britcher, Robert N. (1999). The Limits of Software: People, Projects, and Perspectives. Reading, MA: Addison Wesley. ISBN 0-201-43323-0. Page 155-156.

Fred_Brooks

Programmer Poetry

“The programmer, like the poet, works only slightly removed from pure thought-stuff. He builds his castles in the air, from air, creating by exertion of the imagination. Few media of creation are so flexible, so easy to polish and rework, so readily capable of realizing grand conceptual structures.”
  • Source: Brooks Jr., F. P. (1995). The Mythical Man-Month - Essays on Software Engineering (Anniversary Edition) | 1975/1995 (Anniv.). Boston. MA: Addison-Wesley. ISBN: 0201835959. Chapter 1, page 7.

C_West_Churchman

Larger System

“We are always obliged to think about the larger system. If we fail to do this, then our thinking becomes fallacious.”

  • Source: C. West Churchman in the book The Systems Approach (1968), p. 27.

Alistair_Cockburn

People Characteristics

"People, as active devices, have success modes and failure modes. The following are the main ones that I have named and used to date:
1. People are communicating beings, doing best face-to-face, in person, with real-time question and answer.
2. People have trouble acting consistently over time.
3. People are highly variable, varying from day to day and place to place.
4. People generally want to be good citizens, are good at looking around, taking initiative, and doing 'whatever is needed' to get the project to work.
There are other characteristics that I won’t expand here:
- People need both think time and communicating opportunities...
- People work well from examples...
- People prefer to fail conservatively than to risk succeeding differently; prefer to invent than to research, can only keep a small amount in their heads, and do make mistakes, and find it hard to change their habits.
- Individual personalities easily dominate a project.
- A person’s personality profile strongly affects their ability to perform specific assignments."

Nigel_Cross

Designerly Ways

"I identified five aspects of designerly ways of knowing: Designers tackle ‘ill-defined’ problems. Their mode of problem-solving is ‘solution-focused’. Their mode of thinking is ‘constructive’. They use ‘codes’ that translate abstract requirements into concrete objects. They use these codes to both ‘read’ and ‘write’ in ‘object languages’."

Mihaly_Csikszentmihalyi

Thinking_Is_Pleasurable

“Philosophy and science were invented and flourished because thinking is pleasurable.”
  • Source: Mihaly Csikszentmihalyi in the book “Flow: The Psychology of Optimal Experience“, chapter “The Rules of the Games of the Mind”, page 126. Original content published by Harper Perennial Modern Classics in 1990. Kindle edition published by Harper Collins in 2008. ISBN: 978-0061876721.

Charles_Darwin

Observation versus Theory

"About thirty years ago there was much talk that geologists ought only to observe and not theorize; and I well remember someone saying that at this rate a man might as well go into a gravel-pit and count the pebbles and describe the colours. How odd it is that anyone should not see that all observation must be for or against some view if it is to be of any service."

Paul_Davies

Hidden Links

"Finding hidden links between seemingly disparate phenomena is what makes the scientific method so powerful and compelling. The distinctive feature of science is that it is both broad and deep: broad in the way it tackles all physical phenomena and deep in the way it weaves them, economically, into a common explanatory scheme requiring fewer and fewer assumptions. No other system of thought can match its breadth and depth."
  • Source: Paul Davies, Cosmic Jackpot: Why Our Universe is Just Right for Life (2007)

Tom_DeMarco and Tim_Lister

Cheeseburgers

"Development is inherently different from production. But managers of development and allied efforts often allow their thinking to be shaped by a management philosophy derived entirely from a production environment.
Imagine for the moment that you’re the manager of the local fast food franchise. It makes perfect sense for you to take any or all of the following efficient production measures:
- Squeeze out error. Make the machine (the human machine) run as smoothly as possible.
- Take a hard line about people goofing off on the job.
- Treat workers as interchangeable pieces of the machine.
- Optimize the steady state. (Don’t even think about how the operation got up to speed, or what it would take to close it down.)
- Standardize procedure. Do everything by the book.
- Eliminate experimentation—that’s what the folks at headquarters are paid for.
These would be reasonable approaches if you were in the fast food business (or any production environment), but you’re not. The 'make a cheeseburger, sell a cheeseburger' mentality can be fatal in your development area. It can only serve to damp your people’s spirits and focus their attention away from the real problems at hand. This style of management will be directly at odds with the work.
To manage thinking workers effectively, you need to take measures nearly opposite those listed above."
  • Source: Book: Entitled: Peopleware: Productive Projects and Teams. Edition: 3rd. Written by: Tom DeMarco; Tim Lister. Date published: 1987; 1999; 2013. Publisher: Addison-Wesley. Country: USA; GBR; CAN; DEU; FRA; ESP; ZAF; AUS; JPN; SGP; MEX. Language: en. ISBN: ISBN-13: 978-0-321-93411-6 (alk paper); 0-321-93411-3 (alk paper). Chapter: 2 (Make a Cheeseburger, Sell a Cheeseburger).

Error Quota

"For most thinking workers, making an occasional mistake is a natural and healthy part of their work. But there can be an almost Biblical association between error on the job and sin. This is an attitude we need to take specific pains to change. Speaking to a group of software managers, we introduced a strategy for what we think of as iterative design. The idea is that some designs are intrinsically defect-prone; they ought to be rejected, not repaired. Such dead ends should be expected in the design activity. The lost effort of the dead end is a small price to pay for a clean, fresh start. To our surprise, many managers felt this would pose an impossible political problem for their own bosses: 'How can we throw away a product that our company has paid to produce?' They seemed to believe that they’d be better off salvaging the defective version even though it might cost more in the long run. Fostering an atmosphere that doesn’t allow for error simply makes people defensive. They don’t try things that may turn out badly. You encourage this defensiveness when you try to systematize the process, when you impose rigid methodologies so that staff members are not allowed to make any of the key strategic decisions lest they make them incorrectly. The average level of technology may be modestly improved by any steps you take to inhibit error. The team sociology, however, can suffer grievously. The opposite approach would be to encourage people to make some errors. You do this by asking your folks on occasion what dead-end roads they’ve been down, and by making sure they understand that 'none' is not the best answer. When people blow it, they should be congratulated — that’s part of what they’re being paid for."
  • Source: Book: Entitled: Peopleware: Productive Projects and Teams. Edition: 3rd. Written by: Tom DeMarco; Tim Lister. Date published: 1987; 1999; 2013. Publisher: Addison-Wesley. Country: USA; GBR; CAN; DEU; FRA; ESP; ZAF; AUS; JPN; SGP; MEX. Language: en. ISBN: ISBN-13: 978-0-321-93411-6 (alk paper); 0-321-93411-3 (alk paper). Chapter: 2 (Make a Cheeseburger, Sell a Cheeseburger).

Kicking Ass

"Management is a complex enough thing to defy simple definition, but that nuance was lost on one senior manager we encountered at a professional society meeting in London. He summed up his entire view of the subject with this statement: 'Management is kicking ass.' This equates to the view that managers provide all the thinking and the people underneath them just carry out their bidding. Again, that might be workable for cheeseburger production, but not for any effort for which people do the work with their heads rather than their hands. Everyone in such an environment has got to have the brain in gear. You may be able to kick people to make them active, but not to make them creative, inventive, and thoughtful. Even if kicking people in the backside did boost their short-term productivity, it might not be useful in the long run. There is nothing more discouraging to any worker than the sense that his own motivation is inadequate and has to be 'supplemented' by that of the boss. The saddest thing about this management approach is that it’s almost always superfluous. You seldom need to take Draconian measures to keep your people working; most of them love their work. You may even have to take steps sometimes to make them work less, and thus get more meaningful work done."
  • Source: Book: Entitled: Peopleware: Productive Projects and Teams. Edition: 3rd. Written by: Tom DeMarco; Tim Lister. Date published: 1987; 1999; 2013. Publisher: Addison-Wesley. Country: USA; GBR; CAN; DEU; FRA; ESP; ZAF; AUS; JPN; SGP; MEX. Language: en. ISBN: ISBN-13: 978-0-321-93411-6 (alk paper); 0-321-93411-3 (alk paper). Chapter: 2 (Make a Cheeseburger, Sell a Cheeseburger).

René_Descartes

I Think Therefore I Am

"I think, therefore I am."
  • Source: Descartes, R. (1649). “I think, therefore I am.” In A Discourse of a Method for the Well Guiding of Reason and the Discovery of Truth in the Sciences (p. part IIII, para. 1).
  • Notes: Latin: Cogito ergo sum.

David_Deutsch

Gigantic Computation

“Think of all our knowledge-generating processes, our whole culture and civilization, and all the thought processes in the minds of every individual, and indeed the entire evolving biosphere as well, as being a gigantic computation. The whole thing is executing a self-motivated, self-generating computer program. More specifically it is, as I have mentioned, a virtual-reality program in the process of rendering, with ever-increasing accuracy, the whole of existence.”

Edsger_Wybe_Dijkstra

Machines Can Think

“The question of whether Machines Can Think... is about as relevant as the question of whether Submarines Can Swim.”

Dijkstra Algorithm

“What is the shortest way to travel from Rotterdam to Groningen, in general: from given city to given city. It is the algorithm for the shortest path, which I designed in about twenty minutes. One morning I was shopping in Amsterdam with my young fiancée, and tired, we sat down on the café terrace to drink a cup of coffee and I was just thinking about whether I could do this, and I then designed the algorithm for the shortest path. As I said, it was a twenty-minute invention. In fact, it was published in ’59, three years late. The publication is still readable, it is, in fact, quite nice. One of the reasons that it is so nice was that I designed it without pencil and paper. I learned later that one of the advantages of designing without pencil and paper is that you are almost forced to avoid all avoidable complexities. Eventually that algorithm became, to my great amazement, one of the cornerstones of my fame.”
  • Source: Dijkstra (2001), in an interview with Philip L. Frana. (OH 330; Communications of the ACM 53(8):41–47)

Freeman_Dyson

Science and Society

“In the modern world, science and society often interact in a perverse way. We live in a technological society, and technology causes political problems. The politicians and the public expect science to provide answers to the problems. Scientific experts are paid and encouraged to provide answers. The public does not have much use for a scientist who says, 'Sorry, but we don’t know.' The public prefers to listen to scientists who give confident answers to questions and make confident predictions of what will happen as a result of human activities. So it happens that the experts who talk publicly about politically contentious questions tend to speak more clearly than they think. They make confident predictions about the future, and end up believing their own predictions. Their predictions become dogmas which they do not question. The public is led to believe that the fashionable scientific dogmas are true, and it may sometimes happen that they are wrong. That is why heretics who question the dogmas are needed.”
  • Source: Freeman Dyson, Frederick S. Pardee Distinguished Lecture (Oct 2005), Boston University. Collected in 'Heretical Thoughts About Science and Society', A Many-Colored Glass: Reflections on the Place of Life in the Universe (2007), 43-44.

Arthur_Eddington

Brain and Mind

“Take the living human brain endowed with mind and thought. Thought it is one of the indisputable facts of the world. I know that I think, with a certainty which I cannot attribute to any of my physical knowledge of the world. More hypothetically, but on fairly plausible evidence, I am convinced that you have minds which think. Here then is a world fact to be investigated. The physicist brings his tools and commences systematic exploration. All that he discovers is a collection of atoms and electrons and fields of force arranged in space and time, apparently similar to those found in inorganic objects. He may trace other physical characteristics, energy, temperature, entropy. None of these is identical with thought. He might set down thought as an illusion ⎯ some perverse interpretation of the interplay of the physical entities that he has found. Or if he sees the folly of calling the most undoubted element of our experience an illusion, he will have to face the tremendous question, How can this collection of ordinary atoms be a thinking machine?”

Albert_Einstein

Information in Books

“[I do not] carry such information in my mind since it is readily available in books. ...The value of a college education is not the learning of many facts but the training of the mind to think.”
  • Source: In response to not knowing the speed of sound as included in the Edison Test: New York Times (18 May 1921); Einstein: His Life and Times (1947) Philipp Frank, p. 185; Einstein, A Life (1996) by Denis Brian, p. 129; "Einstein Due Today" (February 2005) edited by József Illy, Manuscript 25-32 of the Einstein Paper Project; all previous sources as per Einstein His Life and Universe (2007) by Walter Isaacson, p. 299 (The speed of sound in 340.29 meters/second)

Art Science Life

“I believe with Schopenhauer that one of the strongest motives that lead men to art and science is escape from everyday life with its painful crudity and hopeless dreariness, from the fetters of one’s own ever shifting desires. A finely tempered nature longs to escape from personal life into the world of objective perception and thought; this desire may be compared with the townsman’s irresistible longing to escape from his noisy, cramped surroundings into the silence of high mountains, where the eye ranges freely through the still, pure air and fondly traces out the restful contours apparently built for eternity.”
  • Source: Words spoken by Albert Einstein in an address to The Physical Society in Berlin in 1918 to honor Max Planck’s 60th birthday, Transcribed into the book 'Essays in Science' in the chapter 'Principles of Research' written by Albert Einstein and translated to english by Alan Harris. Published in 1934 by The Philosophical Library, New York, NY.

Illusion of Comprehension

“Time and again the passion for understanding has led to the illusion that man is able to comprehend the objective world rationally by pure thought without any empirical foundations — in short, by metaphysics.”
  • Source: Albert Einstein, ‘On the Generalised Theory of Gravitation’, Scientific American, April 1950, p. 182.

Ralph_Waldo_Emerson

Man Thinking

“The scholar is the delegated intellect. In the right state, he is, Man Thinking. In the degenerate state, when the victim of society, he tends to become a mere thinker, or, still worse, the parrot of other men's thinking.”

David_Epstein

Breadth

“The challenge we all face is how to maintain the benefits of breadth, diverse experience, interdisciplinary thinking, and delayed concentration in a world that increasingly incentivizes, even demands, hyperspecialization.”
  • Source: David Epstein in the book “Range: Why Generalists Triumph in a Specialized World”. Published 2019 by Riverhead Books. Introduction, page 13. ISBN 978-0735214484.

Analogical Thinking

“Analogical thinking takes the new and makes it familiar... It also allows us to understand that which we cannot see at all.”
  • Source: David Epstein in the book “Range: Why Generalists Triumph in a Specialized World”. Published 2019 by Riverhead Books. Chapter 5, page 103. ISBN 978-0735214484.

Michael_Faraday

Assertion Duties

“A man who makes assertions, or draws conclusions, regarding any given case, ought to be competent to investigate it. He has no right to throw the onus on others, declaring it their duly to prove him right or wrong. His duty is to demonstrate the truth of that which he asserts, or to cease from asserting. The men he calls upon to consider and judge have enough to do with themselves, in the examination, correction, or verification of their own views. The world little knows how many of the thoughts and theories which have passed through the mind of a scientific investigator have been crushed in silence and secrecy by his own severe criticism and adverse examination; that in the most successful instances not a tenth of the suggestions, the hopes, the wishes, the preliminary conclusions have been realized.”
  • Source: Lecturer=Michael Faraday; Lecture/Title=“Observations on Mental Education: A Lecture Delivered at the Royal Institution of Great Britain Before H.R.H. Prince Albert”; Date=1854-05-06; Book/Title=“Lectures on Education”; Publication/Date=1855; Book/Title=“Experimental Researches in Chemistry and Physics”; Publication/Date=1859); Page=486.

Self-Correction

“Among those points of self-education which take up the form of mental discipline, there is one of great importance, and, moreover, difficult to deal with, because it involves an internal conflict, and equally touches our vanity and our ease. It consists in the tendency to deceive ourselves regarding all we wish for, and the necessity of resistance to these desires. It is impossible for any one who has not been constrained, by the course of his occupation and thoughts, to a habit of continual self-correction, to be aware of the amount of error in relation to judgment arising from this tendency. The force of the temptation which urges us to seek for such evidence and appearances as are in favour of our desires, and to disregard those which oppose them, is wonderfully great. In this respect we are all, more or less, active promoters of error. In place of practising wholesome self-abnegation, we ever make the wish the father to the thought: we receive as friendly that which agrees with, we resist with dislike that which opposes us; whereas the very reverse is required by every dictate of common sense.”
  • Source: Michael Faraday. Royal Institution Lecture On Mental Education (6 May 1854), as reprinted in Experimental Researches in Chemistry and Physics, by Michael Faraday, 1859, pp 474-475.

Poem of Facts

“I am no poet, but if you think for yourselves, as I proceed, the facts will form a poem in your minds.”
  • Source: Michael Faraday. Lecture notes of 1858, quoted in The Life and Letters of Faraday (1870) by Bence Jones, Vol. 2, p. 403

Keywords: Poetry_quotes Thinking_quotes Fact_quotes Mind_quotes

Samuel_C_Florman

Engineer Thinking

“They felt that they were improving the world, not only by their deeds, but also by their way of thinking. If engineers could solve problems by being open-minded and free of preconceptions and prejudices — by applying scientific methods — could not all men learn to think in this mode, and then would not ignorance, superstition and bigotry vanish?”
  • Source: From the book “The Existential Pleasures of Engineering” by {Samuel C. Florman}. Second edition published in 1994 by {St. Martin's Press}, New York, NY. First edition published in 1976. Kindle edition published in 2023. E-book ISBN 978-1466842366. Chapter 1, page 7.

Henry_Ford

Thinking is Hard

“Thinking is the hardest work there is, which is probably the reason why so few engage in it.”
  • Source: As quoted in The High School Teacher, Vol. XI (1935), p. 60.

Galen

Seeks the Truth

“It would be better, I think, for the man who really seeks the truth not to ask what the poets say; rather, he should first learn the method of finding the scientific premises that I discussed in the second book; then he should train and exercise himself in this method; and when his training is sufficiently advanced, then, as he approaches each particular problem, he should enquire into the premise needed for proving it, which premise he should take from simple sense-perception, which from experience, whether drawn from life or from the arts, which from the truths clearly apprehended by the mind, in order to draw out from them the desired conclusion.”
  • Source: Galen, On the Doctrines of Hippocrates and Plato,: PHP III 8.35.1-11 translation: De Lacy, Phillip (1978- 1984) Galen, On the Doctrines of Hippocrates and Plato, Berlin. p. 233; cited in: Christopher Jon Elliott. "Galen, Rome and the Second Sophistic." p. 147-148.

Stephen_Hawking

Imaginary Reality

“One might think this means that imaginary numbers are just a mathematical game having nothing to do with the real world. From the viewpoint of positivist philosophy, however, one cannot determine what is real. All one can do is find which mathematical models describe the universe we live in. It turns out that a mathematical model involving imaginary time predicts not only effects we have already observed but also effects we have not been able to measure yet nevertheless believe in for other reasons. So, what is real and what is imaginary? Is the distinction just in our minds?”
  • Source: Hawking, Stephen in the book “The Universe in a Nutshell”, p. 59 (2001).

Brooks_Jackson and Kathleen_Hall_Jamieson

Fact Driven

“Humans are not by nature the fact-driven, rational beings we like to think we are. We get the facts wrong more often than we think we do. And we do so in predictable ways: we engage in wishful thinking. We embrace information that supports our beliefs and reject evidence that challenges them. Our minds tend to take shortcuts, which require some effort to avoid ... [and] more often than most of us would imagine, the human mind operates in ways that defy logic.”
  • Source: Brooks Jackson, As co-author with Kathleen Hall Jamieson, in unSpun: Finding Facts in a World of Disinformation (2007), 69.

Psychology

“Psychology ... tells us that we rarely work through reasons and evidence in a systematic way; weighing information carefully and suspending the impulse to draw conclusions. Instead, much of the time we use mental shortcuts or rules of thumb that save us mental effort. These habits often work reasonably well, but they also can lead us to conclusions we might dismiss if we applied more thought.”
  • Source: Brooks Jackson, As co-author with Kathleen Hall Jamieson, in unSpun: Finding Facts in a World of Disinformation (2007), 70.

Alexander_Kossiakoff et al.

Skeptical Positive Thinking

"The Power of Skeptical Positive Thinking... is meant to capture an important characteristic of successful systems engineering. The skeptical part is important to temper the traditional optimism of the design specialist regarding the probability of success of a chosen design approach. It is the driving force for the insistence of validation of the approach selected at the earliest possible opportunity. The other dimension of skepticism, which is directly related to the characteristic of positive thinking, refers to the reaction in the face of failure or apparent failure of a selected technique or design approach. Many design specialists who encounter an unexpected failure are plunged into despair. The systems engineer, on the other hand, cannot afford the luxury of hand wringing."
  • Source:Kossiakoff, Alexander; Sweet, William N.; Seymour, Samuel J.; Biemer, Steven M.. 'Systems Engineering Principles and Practice'. 2011. Wiley. Kindle Edition. Section 1.6 page 23.

Lawrence_M_Krauss

Think the Unthinkable

“Science has taught us to think the unthinkable. Because when nature is the guide—rather than a priori prejudices, hopes, fears or desires — we are forced out of our comfort zone. One by one, pillars of classical logic have fallen by the wayside as science progressed in the 20th century, from Einstein's realization that measurements of space and time were not absolute but observer-dependent, to quantum mechanics, which not only put fundamental limits on what we can empirically know but also demonstrated that elementary particles and the atoms they form are doing a million seemingly impossible things at once.”
  • Source: Lawrence M. Krauss, In op-ed, 'A Universe Without Purpose', Los Angeles Times (1 Apr 2012).

Fran_Lebowitz

Original Thought

“Original thought is like original sin: both happened before you were born to people you could not possibly have met.”
  • Source: From the book "Social Studies", written by Fran Lebowitz, publication date 1981, published by Random House, ISBN 978-0394512457.

Karl_Marx

Product of Mental Labor is Science

“The product of mental labor — science — always stands far below its value, because the labor-time necessary to reproduce it has no relation at all to the labor-time required for its original production.”
  • Source: Addenda, "Relative and Absolute Surplus Value" in Economic Manuscripts (1861-63)

Malcolm_McIlroy

Top and Bottom

“Talking about where one starts is, I think, perhaps a slight lie. One starts in fact with the grand conception, including the top and the bottom.”

N_David_Mermin

Shut Up and Calculate

“I'm one of the uncomfortable ones. If I were forced to sum up in one sentence what the Copenhagen interpretation says to me, it would be 'Shut up and calculate!' But I won't shut up. I would rather celebrate the strangeness of quantum theory than deny it, because I believe it still has interesting things to teach us about how certain powerful but flawed verbal and mental tools we once took for granted continue to infect our thinking in subtly hidden ways.”
  • Source: What's Wrong with this Pillow? by N. David Mermin, Cornell University, Physics Today, volume 42, issure 4, April 1989, page 9, doi:10.1063/1.2810963

Harlan_D_Mills

Thinking Versus Coding Errors

“In short, it is the thinking errors, more than the coding errors, which limit programming productivity.”

Isaac_Newton

Gravity

“It is inconceivable that inanimate matter should, without the mediation of something else, which is not material, operate upon, and affect other matter without mutual contact... That gravity should be innate, inherent and essential to matter, so that one body may act upon another at a distance thro' a vacuum, without the mediation of anything else, by and through which their action and force may be conveyed from one to another, is to me so great an absurdity that I believe no man who has in philosophical matters a competent faculty of thinking can ever fall into it. Gravity must be caused by an agent acting constantly according to certain laws; but whether this agent be material or immaterial, I have left to the consideration of my readers.”
  • Source: Original letter from Isaac Newton to Richard Bentley. Source 189.R.4.47, ff. 7-8, Trinity College Library, Cambridge, UK. Retrieved 2019-11-15 from http://www.newtonproject.ox.ac.uk/view/texts/normalized/THEM00258.
    • Also quoted in Remler, Michael P.. The Mechanisms, Metaphysics, and History of Consciousness in the World . First Edition Design Publishing. Chapter 11.
    • Also quoted in Joseph Berkovitz, Action at a Distance in Quantum Mechanics, The Stanford Encyclopedia of Philosophy, Winter, 2008.

J_Robert_Oppenheimer

World Would Not Be the Same

“We knew the world would not be the same. A few people laughed, a few people cried, most people were silent. I remembered the line from the Hindu scripture, the Bhagavad-Gita; Vishnu is trying to persuade the Prince that he should do his duty and, to impress him, takes on his multi-armed form and says, ‘Now I am become Death, the destroyer of worlds.’ I suppose we all thought that, one way or another.”
  • Source: Oppenheimer is quoting from the 1944 Prabhavananda and Isherwood translation of the Bhagavad Gita. The line quoted is spoken by Krishna, one of the major avatars of Vishnu; some assert that the passage would be better translated "I am become Time, the destroyer of worlds." online video at atomicarchive.com<nowiki>. Also an interview about the Trinity explosion, first broadcast as part of the television documentary The Decision to Drop the Bomb (1965), produced by Fred Freed, NBC White Paper; atomicarchive.com

Richard_Pascale

Think and Act

“People are much more likely to act their way into a new way of thinking, than think their way into a new way of acting.”

  • Source: Richard Pascale, Mark Milleman, Linda Gioja (2001). “Surfing the Edge of Chaos: The Laws of Nature and the New Laws of Business”, p.229, Crown Business

Roger_Penrose

Self-Evident Truth

“Like so many works that have had a great impact on human thinking, it [Schrödinger's book ‘What is Life’] makes points that, once they are grasped, have a ring of almost self-evident truth; yet they are still blindly ignored by a disconcertingly large proportion of people who should know better.”


Alan_Perlis

Learning Knowledge and Programming

“You think you know when you learn, are more sure when you can write, even more when you can teach, but certain when you can program.”

Computing Fun

“I think that it's extraordinarily important that we in computer science keep fun in computing. When it started out, it was an awful lot of fun. Of course, the paying customers got shafted every now and then, and after a while we began to take their complaints seriously. We began to feel as if we really were responsible for the successful, error-free perfect use of these machines. I don't think we are. I think we're responsible for stretching them, setting them off in new directions, and keeping fun in the house. I hope the field of computer science never loses its sense of fun. Above all, I hope we don't become missionaries. Don't feel as if you're Bible salesmen. The world has too many of those already. What you know about computing other people will learn. Don't feel as if the key to successful computing is only in your hands. What's in your hands, I think and hope, is intelligence: the ability to see the machine as more than when you were first led up to it, that you can make it more.”
  • Source: Quoted in The Structure and Interpretation of Computer Programs by Hal Abelson, Gerald Jay Sussman and Julie Sussman (McGraw-Hill, 2nd edition, 1996).

Steven_Pinker

Neurons to Consciousness

“None of us has a brain that can actually put us in touch with reality unaided with truth. I've just shown you a bunch of gadgetry that responds to things that are essential to our survival, things that prevent us from falling off cliffs and bumping into trees. But they don't actually correspond to any clear description of the world as it is. So we have, for example, circuitry that responds to the edges rather than the physical distribution of light, because edges are important, that's where objects leave off and their backgrounds begin. Moreover, they can be fooled, as I did with each one of you. That since our neural circuitry does consist of a mechanism, not a pipeline to the truth or a window onto objective reality. That is naïve realism we know is false because there are illusions. You can't just trust your senses. That means we need some way of augmenting the faculties that nature gave us to make our beliefs as accurate as possible. Which of course is why the early modern philosophers made such a big deal of visual illusions. They said you can't just open your eyes and see the world as it is. Look at all these illusions. So what we do, what gives some of us confidence that our beliefs are objectively true is that they are part of an institutional infrastructure of testing and criticism and logic and determining which hypotheses withstand criticism and attempts at refutation. Devising exotic arrangements of reality to reflect the way reality is put together, namely experiments. Thanks to this huge network of minds, each one of them making up for deficits of all the others, we like to think that we have a collective grasp on truth that none of us individually can have. But of course, it's always fallible. The religious beliefs I think were actually pretty reasonable hypotheses in earlier states of our collective knowledge. Even Richard Dawkins said that before Darwin he probably would have been a creationist because the cosmic engineer was the only available explanation for the obvious adaptive complexity of living things. I would add that prior to the advent of modern neuroscience I probably would have believed in souls because there was no better explanation for phenomena such as that people respond intelligently to their environments. When you dream some part of you is up and about the world while your body is in bed the whole time. That seems like there must be some part of you that can leave your body. When a person suddenly dies some kind of animating force no longer seems to be animating the body that was there just a few minutes ago. So the soul hypothesis is not a stupid or irrational belief, nor is creationism if it's the best that you have. Now, of course, we can do better. But doing better in part depends not just on this cumulative weight of evidence and argument. But because few of us can actually reconstruct the scientific observations that justify the theory of natural selection or the theory of neural networks, all of us, at least a little bit, take it on faith in the following sense; that there is a community that you trust enough because when they have been challenged to defend their beliefs they can connect them to reality. They have shown that it isn't magic. That they have given reason to trust them because they've convinced you that they're the mores of their culture, of their scientific culture, designed so that they will find true things and weed out false things. If you don't have a degree of solidarity or trust, if you think that scientists are all in cahoots with big corporations or are trying to tear down all faith and values and meaning and you simply refuse to follow through the very long chain of deduction that connects the claims to the experiments, then you'll naturally reject it just because it's not your tribe. For you and me scientists are our tribe and we're apt to give them some credibility, indeed some credulousness, knowing that if ever challenged it would be repaid. But unless you trace that through it can be all too easy to reject the conclusions of science, and indeed a number of studies have shown that contrary to the common belief that people believe in falsehoods, such as that vaccines cause autism or that humans were created five thousand years ago or that the burning of fossil fuels has no effect on global temperatures, it turns out that people with those beliefs that we have every reason to believe are false are no more scientifically naïve on average than people that have beliefs that are scientifically justified. You give a test on evolution to a bunch of people who believe in evolution, give it to a bunch of creationists, there's not much difference in how well they score. In fact, often they are equal. Likewise, the typical grasp of climate science among someone who signs on to the scientific consensus is not much better than the adamant deniers. That kind of dashes the hope that simply by increasing the quality of science education you will lead people to more accurate beliefs. There, in addition, has to be a dissociation of who you think are the good guys and who are the bad guys from who has the best claims to truth. That's what it depends on.”

Keywords: Accuracy_quotes Adament_quotes Adaptability_quotes Addition_quotes Advent_quotes Aid_quotes Animate_quotes Argue_quotes Arrangement_quotes Attempt_quotes Augment_quotes Autism_quotes Availability_quotes Background_quotes Bad_quotes Bed_quotes Belief_quotes Best_quotes Big_quotes Body_quotes Brain_quotes Bump_quotes Bunch_quotes Burn_quotes Cahoot_quotes Chain_quotes Challenge_quotes Circuit_quotes Claim_quotes Clear_quotes Cliff_quotes Climate_quotes Collective_quotes Complexity_quotes Common_quotes Community_quotes Conclusion_quotes Confidence_quotes Connection_quotes Consensus_quotes Consist_quotes Contrary_quotes Convince_quotes Cooperation_quotes Corporation_quotes Correspondence_quotes Cosmic_quotes Creationism_quotes Credibility_quotes Criticism_quotes Culture_quotes Cumulative_quotes Dash_quotes Deal_quotes Death_quotes Deception_quotes Deduction_quotes Defence_quotes Deficit_quotes Degree_quotes Deny_quotes Dependence_quotes Description_quotes Design_quotes Determine_quotes Devise_quotes Differences_quotes Dissociation_quotes Distribution_quotes Dreaming_quotes Early_quotes Easy_quotes Edge_quotes Education_quotes Effect_quotes Engineer_quotes Environment_quotes Essential_quotes Evidence_quotes Evolution_quotes Exotic_quotes Experiment_quotes Explanation_quotes Eye_quotes Faculty_quotes Faith_quotes Fall_quotes Fallible_quotes False_quotes Few_quotes Find_quotes Follow_quotes Fool_quotes Force_quotes Fossil_quotes Fuel_quotes Gadget_quotes Global_quotes Good_quotes Grasp_quotes Guy_quotes Huge_quotes Hypothesis_quotes Illusion_quotes Importance_quotes Increasing_quotes Individual_quotes Infrastructure_quotes Institution_quotes Intelligence_quotes Irrational_quotes Justification_quotes Knowledge_quotes Leave_quotes Life_quotes Light_quotes Logic_quotes Long_quotes Magic_quotes Meaning_quotes Mechanism_quotes Mind_quotes Modern_quotes Moral_quotes Naïve_quotes Nature_quotes Natural_Selection_quotes Network_quotes Neural_quotes Neuroscience_quotes Object_quotes Objectivity_quotes Observation_quotes Obvious_quotes Part_quotes People_quotes Perception_quotes Phenomena_quotes Philosophy_quotes Physical_quotes Pipeline_quotes Possibility_quotes Prehistoric_quotes Prevent_quotes Reality_quotes Reason_quotes Reconstruct_quotes Reflection_quotes Refuse_quotes Refutation_quotes Rejection_quotes Religion_quotes Repay_quotes Respond_quotes Science_quotes Scientist_quotes Score_quotes Seem_quotes Selection_quotes Sense_quotes Show_quotes Sight_quotes Solidarity_quotes Soul_quotes State_quotes Study_quotes Stupidity_quotes Survival_quotes Tear_quotes Temperature_quotes Testing_quotes Theory_quotes Thinking_quotes Time_quotes Touch_quotes Trace_quotes Tree_quotes Tribal_quotes Trust_quotes Truth_quotes Try_quotes Typical_quotes Unaided_quotes Vaccine_quotes Value_quotes Visual_quotes Weed_quotes Weight_quotes Whole_quotes Window_quotes Withstand_quotes World_quotes

Thinking is Computation

“Thinking is computation, I claim, but that does not mean that the computer is a good metaphor for the mind.”
  • Source: Steven Pinker (1997). How the Mind Works. New York, NY: W. W. Norton. ISBN 978-0-393-06973-0; eISBN 978-0-393-06973-0. Chapter 1 Section Reverse-Engineering the Psyche.

Learning

“But learning is not a surrounding gas or force field, and it does not happen by magic. It is made possible by innate machinery designed to do the learning... To understand learning, we need new ways of thinking to replace the prescientific metaphors — the mixtures and forces, the writing on slates and sculpting of blocks of marble.”
  • Source: Steven Pinker (1997). How the Mind Works. New York, NY: W. W. Norton. ISBN 978-0-393-06973-0; eISBN 978-0-393-06973-0. Chapter 1 Section Reverse-Engineering the Psyche.

Two Modes of Thinking

“People think in two modes. They can form fuzzy stereotypes by uninsightfully soaking up correlations among properties, taking advantage of the fact that things in the world tend to fall into clusters (things that bark also bite and lift their legs at hydrants). But people can also create systems of rules — intuitive theories — that define categories in terms of the rules that apply to them, and that treat all the members of the category equally.”
  • Source: Steven Pinker (1997). How the Mind Works. New York, NY: W. W. Norton. ISBN 978-0-393-06973-0; eISBN 978-0-393-06973-0. Chapter 2 Section: Connectoplasm.

Robert_M_Pirsig

Traditional Scientific Method

“Traditional scientific method has always been at the very best, 20-20 hindsight. It's good for seeing where you've been. It's good for testing the truth of what you think you know, but it can't tell you where you ought to go.”
  • Source: Robert Pirsig, Zen and the Art of Motorcycle Maintenance (1974), 251.

Karl_Popper

Confirmation Easy

“It is easy to obtain confirmations, or verifications, for nearly every theory — if we look for confirmations. Confirmations should count only if they are the result of risky predictions... A theory which is not refutable by any conceivable event is non-scientific. Irrefutability is not a virtue of a theory (as people often think) but a vice. Every genuine test of a theory is an attempt to falsify it, or refute it.”
  • Source: Karl Raimund Popper, Conjectures and Refutations: The Growth of Scientific Knowledge (1963), 36.

Willard_Van_Orman_Quine

Science as a Tool

“As an empiricist I continue to think of the conceptual scheme of science as a tool, ultimately, for predicting future experience in the light of past experience. Physical objects are conceptually imported into the situation as convenient intermediaries - not by definition in terms of experience, but simply as irreducible posits comparable, epistemologically, to the gods of Homer. For my part I do, qua lay physicist, believe in physical objects and not in Homer's gods; and I consider it a scientific error to believe otherwise. But in point of epistemological footing the physical objects and the gods differ only in degree and not in kind. Both sorts of entities enter our conception only as cultural posits. The myth of physical objects is epistemologically superior to most in that it has proved more efficacious than other myths as a device for working a manageable structure into the flux of experience.”
  • Source: From A Logical Point of View (1953), p. 44.

Carl_Sagan

Religious Prophecy

“Think of how many religions attempt to validate themselves with prophecy. Think of how many people rely on these prophecies, however vague, however unfulfilled, to support or prop up their beliefs. Yet has there ever been a religion with the prophetic accuracy and reliability of science? ... No other human institution comes close.”
  • Source: Carl Sagan. The Demon-Haunted World: Science as a Candle in the Dark, 1996.

Science Thinking

“Science is more than a body of knowledge. It's a way of thinking. A way of skeptically interrogating the universe with a fine understanding of the human fallibility. If we are not able to ask skeptical questions to interrogate those who tell us that something is true, to be skeptical of those in authority, then we are up for grabs for the next charlatan, political or religious, who comes ambling along. It is a thing that Jefferson laid great stress on. It wasn't enough he said to enshrine some rights in a constitution or bill of rights. The people had to be educated and they have to practice their skepticism and education. Otherwise we don't run the government. The government runs us.”
  • Source: Carl Sagen speaking in an video entitled 'CARL SAGEN - A Way of Thinking' posted on YouTube at https://youtu.be/J1cNaFG1VII , at 00:01:25 in video. Retrieved 2021-02-09.

Arthur_Schopenhauer

Think New Thoughts

“So the problem is not so much to see what nobody has yet seen, as to think what nobody has yet thought concerning that which everybody sees. Also for this reason, it takes so very much more to be a philosopher than a physicist.”

Mark_Seemann

Stroll

“I’ve lost count of the number of times I return to a problem after a stroll, only to realize that I’ve been thinking about it the wrong way. If walking about for a few minutes isn’t enough, try asking for help. If you have a colleague to bother, do that.”
  • Source: Mark Seemann, “Code That Fits in Your Head: Heuristics for Software Engineering”. Published in 2021 by Pearson Education, Kindle Edition, ISBN: 978-0-13-746440-1. Page 239.

Rupert_Sheldrake

Dogmas

“I am convinced that the sciences are being held back by assumptions that have hardened into dogmas, maintained by powerful taboos. These beliefs protect the citadel of established science, but act as barriers against open-minded thinking.”
  • Source: Rupert Sheldrake. The book “Science Set Free: 10 Paths to New Discovery”, Introduction, page 12. Published in 2012 by Crown Publishing, New York, NY. Kindle Edition. ISBN: 978-0-7704-3671-1.

Herbert_Simon

Design and Analysis

“In view of the key role of design in professional activity, it is ironic that in this century the natural sciences almost drove the sciences of the artificial from professional school curricula, a development that peaked about two or three decades after the Second World War. Engineering schools gradually became schools of physics and mathematics; medical schools became schools of biological science; business schools became schools of finite mathematics. The use of adjectives like 'applied' concealed, but did not change, the fact. It simply meant that in the professional schools those topics were selected from mathematics and the natural sciences for emphasis which were thought to be most nearly relevant to professional practice. It did not mean that design continued to be taught, as distinguished from analysis.”

Baruch_Spinoza

Man Thinks

“Man thinks.”

Keywords: Humanity_quotes Thinking_quotes Reason_quotes Man_quotes

God Thinks

“Thought is an attribute of God, or God is a thinking thing.”

Hatred With Cause Makes Shame

“He who thinks that he has given just cause for hatred will be affected with shame; but this case rarely happens.”

Patrick_Vlaskovits

Faster Horse

“However, even if Ford didn’t verbalize his thoughts on customers’ ostensible inability to communicate their unmet needs for innovative products — history indicates that Henry Ford most certainly did think along those lines... Henry Ford froze the design of the Model T... Ford had no compelling reason to innovate in any other sphere other than cost and price reduction... But everything changed with the onset of the innovations introduced by General Motors in the 1920s, which took the direct opposite of Henry Ford’s tack of “Any color … so long as it is black” and is best summed up by Alfred Sloan’s consumer-research driven “A Car for Every Purse and Purpose”... In 1921, the Ford Motor Company sold about 2/3 of all the cars built in the U.S. By 1926, this share had fallen to approximately 1/3. And in 1927, when Ford belatedly responded (at tremendous financial cost and internal strife) to changes in the market’s tastes and competitive innovation by shutting down production temporarily to re-tool his factories and bring the Model A to the market, that percentage fell to about 15%... Yes, some customers in certain types of businesses are quite capable of verbalizing precisely what sort of innovative product one could build and sell them. And of course, customers in other types of businesses are wholly incapable of verbalizing, with any sort of fidelity whatsoever, what they need and why they need it. An innovator should have understanding of one’s customers and their problems via empirical, observational, anecdotal methods or even intuition. They should also feel free to ignore customers’ inputs. Because by now it should be clear that Ford’s adherence to his vision of the mass-market car and how to materialize that vision was instrumental in both his early success in growing Ford Motor Company as well as his later failure to respond in a timely and effective manner to rapid innovation in the marketplace.”'

Gerald_Weinberg

Think Well

“Most people don't think nearly as well as they could.”
  • Source: Weinberg, Gerald (2011-04-07). An Introduction to General Systems Thinking (Kindle Location 76). Weinberg & Weinberg. Kindle Edition.

Keywords: Thinking_quotes People_quotes Well_quotes Potential_quotes

Only Fools Are Certain

“Only fools are certain ― we think.”
  • Source: Weinberg, Gerald (2011-06-03). Passive Regulation: General Systems Design Principles (General Systems Thinking) (Kindle Location 3339). Weinberg & Weinberg. Kindle Edition.

Keywords: Fool_quotes Certainty_quotes Thinking_quotes Uncertainty_quotes

Shoshana_Zuboff

Natural Attitude

“The most treacherous enemy of such research is what philosophers call ‘the natural attitude,’ our capacity to live daily life in a way that takes for granted the objects and activities that surround us. Even when we encounter new objects in our environment, our tendency is to experience them in terms of categories and qualities with which we are already familiar. The natural attitude allows us to assume and predict a great many things about each other's behavior without first establishing premises at the outset of every interaction. The natural attitude can also stand in the way of awareness, for ordinary experience has to be made extraordinary in order to become accessible to reflection. This occurs when we encounter a problem: when our actions do not yield the expected results, we are caught by surprise and so are motivated to reflect upon our initial assumptions. Awareness requires a rupture with the world we take for granted; then old categories of experience are called into question and revised.”
  • Source: Zuboff, S. (1988). In The Age Of The Smart Machine: The Future Of Work And Power. New York, NY: Basic Books, p. 13. ISBN:0465032125.

Technological Innovations

“History reveals the power of certain technological innovations to transform the mental life of an era -- the feelings, sensibilities, perceptions, expectations, assumptions, and, above all, possibilities that define a community. From the social influence of the medieval castle,' to the coming of the printed book, to the social and physical upheaval associated with the rise of the automobile -- each specific example serves to drive home a similar message. An important technological innovation is not usefully thought of as a unitary cause eliciting a series of discrete effects. Instead, it can be seen as an alteration of the material horizon of our world, with transformative implications for both the contours and the interior texture of our lives. Technology makes the world a new place...”
  • Source: Zuboff, S. (1988). In The Age Of The Smart Machine: The Future Of Work And Power. New York, NY: Basic Books, p. 388. ISBN:0465032125.

Technology Change

“To fully grasp the way in which a major new technology can change the world... it is necessary to consider both the manner in which it creates intrinsically new qualities of experience and the way in which new possibilities are engaged by the often-conflicting demands of social, political, and economic interests in order to produce a 'choice.' To concentrate only on intrinsic change and the texture of an emergent mentality is to ignore the real weight of history and the diversity of interests that pervade collective behavior. However, to narrow all discussion of technological change to the play of these interests overlooks the essential power of technology to reorder the rules of the game and thus our experience as players. Moreover, these two dimensions of technological change, the intrinsic and the contingent, need to be understood, not separately, but in relation to one another. The same innovation that abstracts work and increases its intellectual content, thus enhancing the learning of lower level employees... can also, within the context of the choices by which it is adapted, be experienced as a new source of divisiveness and control.”
  • Source: Zuboff, S. (1988). In The Age Of The Smart Machine: The Future Of Work And Power. New York, NY: Basic Books, p. 389. ISBN:0465032125.

See Also