Mistake quotes

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Marcus_Aurelius

Mend A Fault

“To retract or mend a fault at the admonition of a friend in no way hurts your liberty, for it is still your own activity which by means of your own impulse and judgment, and by your own mind, makes you see your mistake.”

William_Bayliss

Mistakes

“But at the same time, there must never be the least hesitation in giving up a position the moment it is shown to be untenable. It is not going too far to say that the greatness of a scientific investigator does not rest on the fact of his having never made a mistake, but rather on his readiness to admit that he has done so, whenever the contrary evidence is cogent enough.”
  • Source: Sir William Bayliss, Principles of General Physiology (1915), x.xi.

John_Stewart_Bell

Clearly Right and Wrong

“Bohr was inconsistent, unclear, willfully obscure and right. Einstein was consistent, clear, down-to-earth and wrong.”

Arthur_Bloch

Finagle's Third Law

“In any collection of data, the figure most obviously correct, beyond all need of checking, is the mistake.
Corollaries:
1. No one whom you ask for help will see it.
2. Everyone who stops by with unsought advice will see it immediately.”
  • Source: Attributed to a fictional character named Finagle, reported in the book "Murphy's Law and Other Reasons Why Things Go Wrong" written by Arthur Bloch, first edition published in 1977 by Price/Stern/Sloan, Los Angeles, California. ISBN-10: 0843104287. ISBN-13: 978-0843104288. Chapter Murphology, page 15.

David_Bohm

Theory Purpose

“we must avoid postulating a new element for each new phenomenon. But an equally serious mistake is to admit into the theory only those elements which can now be observed. For the purpose of a theory is not only to correlate the results of observations that we already know how to make, but also to suggest the need for new kinds of observations and to predict their results. In fact, the better a theory is able to suggest the need for new kinds of observations and to predict their results correctly, the more confidence we have that this theory is likely to be good representation of the actual properties of matter and not simply an empirical system especially chosen in such a way as to correlate a group of already known facts.”
  • Source: David Bohm in the paper “A Suggested Interpretation of the Quantum Theory in Terms of ‘Hidden’ Variables. II”. Published January 1952 in Physical Review volume 35 issue 2.

Samuel_Butler

Scientific Mind

"The best class of scientific mind is the same as the best class of business mind. The great desideratum in either case is to know how much evidence is enough to warrant action. It is as unbusiness-like to want too much evidence before buying or selling as to be content with too little. The same kind of qualities are wanted in either case. The difference is that if the business man makes a mistake, he commonly has to suffer for it, whereas it is rarely that scientific blundering, so long as it is confined to theory, entails loss on the blunderer. On the contrary it very often brings him fame, money and a pension. Hence the business man, if he is a good one, will take greater care not to overdo or underdo things than the scientific man can reasonably be expected to take."
  • Source: Samuel Butler, Henry Festing Jones (ed.), The Note-Books of Samuel Butler (1917), 217.

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."

Tom_DeMarco and Tim_Lister

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).

Daniel_Dennett

History of Philosophy

"The history of philosophy is in large measure the history of very smart people making very tempting mistakes, and if you don’t know the history, you are doomed to making the same darn mistakes all over again."
  • Source: Daniel C. Dennett, from the book 'Intuition Pumps and Other Tools for Thinking', 2013, WW Norton, ISBN 978-0-393-24068-9 (e-book), chapter 1.

David_Deutsch

Decision Making

“It is a mistake to conceive of choice and decision-making as a process of selecting from existing options according to a fixed formula. That omits the most important element of decision-making, namely the creation of new options.”
  • Source: David Deutsch, The Beginning of Infinity: Explanations That Transform the World (2011).

Arthur_Conan_Doyle

Strangeness and Mystery

“It is a mistake to confound strangeness with mystery.”

Keywords: Mistake_quotes Confound_quotes Strange_quotes Mystery_quotes

Peter_Drucker

Mistakes

“The better a man is, the more mistakes will he make - for the more new things he will try. I would never promote a man into a top level job who had not made mistakes, and big ones at that. Otherwise he is sure to be mediocre.”
  • Source: Peter Drucker, The Practice of Management New York,: Harper, 1st ed. 1954 ; Routledge, 2012, p. 147.

Samuel_C_Florman

Mistakes

“Human error, lack of imagination, and blind ignorance. The practice of engineering is in large measure a continuing struggle to avoid making mistakes for these reasons.”
  • 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 3, page 33.

Galileo

Seek the Truth

“For it is too bad that there are so few who seek the truth and so few who do not follow a mistaken method in philosophy. This is not, however, the place to lament the misery of our century, but to rejoice with you over such beautiful ideas for proving the truth. So I add only, and I promise, that I shall read your book at leisure; for I am certain that I shall find the noblest things in it. And this I shall do the more gladly, because I accepted the view of Copernicus many years ago, and from this standpoint I have discovered from their origins many natural phenomena, which doubtless cannot be explained on the basis of the more commonly accepted hypothesis.”
  • Source: Galileo Galilei, Letter (4 Aug 1597) to Kepler, expressing thanks and interest in the book Kepler sent him. As quoted in translation in Jackson J. Spielvogel, Western Civilization: Alternate Volume: Since 1300 (2010), Vol. 2, 494.

Eugene_Grace

Initiative

“The man who has in him the stuff of which success is made is never afraid to accept responsibilities; then, when he gets responsibility, he doesn't regard it lightly; nor does he ever seek to shirk the consequences or attempt to blame anyone else when anything goes wrong. My chief difficulty in building up our huge organization is to find men able and willing to take and discharge responsibilities. So many men can only go to the point of doing routine duties; when given tasks requiring initiative and readiness to shoulder responsibility, they continually run to the boss to get instructions. I am constantly on the lookout for fellows who are not afraid to use their own judgment, and, although they may make quite a few mistakes, yet they at least show executive potentialities... Of course there must be more than willingness to accept responsibility and to exercise initiative; willingness must be accompanied by ability, knowledge, and the judgment which can come only from having thoroughly mastered one's business.”

Grace_Hopper

Bugs

“From then on, when anything went wrong with a computer, we said it had bugs in it.”
  • Source: Grace Hopper as quoted in Time magazine (16 April 1984).
  • Notes: On the removal of a 2-inch-long moth from the Harvard Mark II experimental computer at Harvard in 1947. Note that the term "bug" was in use by people in several technical disciplines long before that; Thomas Edison used the term, and it was common AT&T parlance in the 1920s to refer to bugs in the wires. Hopper is credited with popularizing the term's use in the computing field.

Geoffrey_Jefferson

No Mechanism Could Feel

“Not until a machine can write a sonnet or compose a concerto because of thoughts and emotions felt, and not by the chance fall of symbols, could we agree that machine equals brain - that is, not only write it but know that it had written it. No mechanism could feel (and not merely artificially signal, an easy contrivance) pleasure at its successes, grief when its valves fuse, be warmed by flattery, be made miserable by its mistakes, be charmed by sex, be angry or depressed when it cannot get what it wants.”
  • Source: Geoffrey Jefferson delivering The Lister Oration at the Royal College of Surgeons of England on 1949-06-09. Published in the British Medical Journal of 1949-06-25, volume 1, issue 4616, pages 1105-1110. DOI 10.1136/bmj.1.4616.1105.

David_E_Nye

Unanticipated Consequences

“The combined choices of inventors, entrepreneurs, and consumers create unanticipated cultural consequences. Because no single individual or institution wills certain changes, they are often mistaken for attributes of the machine itself... Machines are human-directed agents of cultural change.”
  • Source: A book. Written by David E. Nye. Entitled 'Narratives and Spaces'. Published in 1997 by Univerity of Exeter Press, Exeter, UK. Hardback ISBN 0-85989-555-6. Paperback ISBN 0-85989-556-4. Introduction, pages 2-3.

Karl_Popper

Irresponsible Dreams

“The history of science, like the history of all human ideas, is a history of irresponsible dreams, of obstinacy, and of error. But science is one of the very few human activities — perhaps the only one — in which errors are systematically criticized and fairly often, in time, corrected. This is why we can say that, in science, we often learn from our mistakes, and why we can speak clearly and sensibly about making progress there. In most other fields of human endeavour there is change, but rarely progress ... And in most fields we do not even know how to evaluate change.”
  • Source: Karl Raimund Popper, From Conjectures and Refutations: The Growth of Scientific Knowledge (1963), 216. Reproduced in Karl Popper, Truth, Rationality and the Growth of Scientific Knowledge (1979), 9.

Carl_Sagan

Changing Opinion

“In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion.”
  • Source: Carl Sagan, Keynote address at CSICOP conference, 1987

Faith and Evidence

“What is faith? It is belief in the absence of evidence. Now, I don't propose to tell anybody what to believe, but for me believing when there is no compelling evidence is a mistake. The idea is to withhold belief until there is compelling evidence. And if the universe does not comply with our predispositions, okay, then we have the wrenching obligation to accommodate to the way the universe is. So who is more humble? The scientist who looks at the universe with an open mind and accepts whatever the universe has to teach us? Or somebody who says everything in this book must be considered the literal truth and never mind the fallibility of all the human beings involved in the writing of this book?”
  • Source: Carl Sagen speaking in an video entitled 'CARL SAGEN - A Way of Thinking' posted on YouTube at https://youtu.be/J1cNaFG1VII , at 00:03:10 in video. Retrieved 2021-02-09.

Baruch_Spinoza

Explanations

“Very many controversies have arisen from the fact, that men do not rightly explain their meaning, or do not rightly interpret the meaning of others. For, as a matter of fact, as they flatly contradict themselves, they assume now one side, now another, of the argument, so as to oppose the opinions, which they consider mistaken and absurd in their opponents.”

Albert_Szent-Györgyi

Greatest Mistake

“There is but one safe way to avoid mistakes: to do nothing or, at least, to avoid doing something new. This, however, in itself, may be the greatest mistake of all.”

William_E_Vaughan

Really Foul Things Up

“To err is human, to really foul things up requires a computer.”


Ellis_Leon_Yochelson

Scientists Make Predictions

“Scientists are supposed to make predictions, probably to prove they are human and can be as mistaken as anyone else. Long-range predictions are better to make because the audience to whom the prediction was made is no longer around to ask questions. The alternative... is to make conflicting predictions, so that one prediction may prove right.”
  • Source: Ellis Leon Yochelson. 'Fossils—The How and Why of Collecting and Storing', Proceedings of the Biological Society of Washington (1969), 82, 597.