Activity quotes

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Christopher_Wolfgang_Alexander

Complexity

“Today more and more design problems are reaching insoluble levels of complexity... In spite of their superficial simplicity, even these problems have a background of needs and activities which is becoming too complex to grasp intuitively.”

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.”

Robert_N_Britcher

Verification Percent

“Over 70 percent of the technical budget was spent on verification activities such as inspections and testing; only 30 percent was spent designing and writing code.”
  • Source: Britcher, Robert N. (1999). The Limits of Software: People, Projects, and Perspectives. Reading, MA: Addison Wesley. ISBN 0-201-43323-0. Page 117.

Stephen_Covey

Wrong Wall

"It’s incredibly easy to get caught up in an activity trap, in the busy-ness of life, to work harder and harder at climbing the ladder of success only to discover it’s leaning against the wrong wall."
  • Source: From the book "The 7 Habits of Highly Effective People" by Stephen R. Covey, Habit 2: Begin with the End in Mind, page 98, published 1988 by Free Press: A Division of Simon & Schuster, New York, NY.

Nigel_Cross

Conventional Problem Solving

"Conventional wisdom about problem-solving seems often to be contradicted by the behavior of expert designers. But designing has many differences from conventional problem-solving. ... we must be very wary about importing models of design behavior from other fields. Empirical studies of design activity have frequently found 'intuitive' features of design ability to be the most effective and relevant to the intrinsic nature of design. Some aspects of design theory, however, have tried to develop counter-intuitive models and prescriptions for design behavior."

Mihaly_Csikszentmihalyi

Autotelic

“The key element of an optimal experience is that it is an end in itself. Even if initially undertaken for other reasons, the activity that consumes us becomes intrinsically rewarding... When the experience is autotelic, the person is paying attention to the activity for its own sake; when it is not, the attention is focused on its consequences.”
  • Source: Mihaly Csikszentmihalyi in the book “Flow: The Psychology of Optimal Experience“, chapter “The Autotelic Experience”, page 67. Original content published by Harper Perennial Modern Classics in 1990. Kindle edition published by Harper Collins in 2008. ISBN: 978-0061876721.

Flow

“In our studies, we found that every flow activity, whether it involved competition, chance, or any other dimension of experience, had this in common: It provided a sense of discovery, a creative feeling of transporting the person into a new reality. It pushed the person to higher levels of performance, and led to previously undreamed-of states of consciousness. In short, it transformed the self by making it more complex. In this growth of the self lies the key to flow activities.”
  • Source: Mihaly Csikszentmihalyi in the book “Flow: The Psychology of Optimal Experience“, chapter “Flow Activities”, page 74. Original content published by Harper Perennial Modern Classics in 1990. Kindle edition published by Harper Collins in 2008. ISBN: 978-0061876721.

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).

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).

Edsger_Wybe_Dijkstra

Powers of Abstraction

“The effective exploitation of his powers of abstraction must be regarded as one of the most vital activities of a competent programmer.”
  • Source: The Humble Programmer (1972), 1972 Turing Award Lecture[1], Communications of the ACM 15 (10), October 1972: pp. 859–866.

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.

Henry_Ford

Failure

“An absence of fear of the future and of veneration for the past. One who fears the future, who fears failure, limits his activities. Failure is only the opportunity more intelligently to begin again. There is no disgrace in honest failure; there is disgrace in fearing to fail. What is past is useful only as it suggests ways and means for progress.”
  • Source: Henry Ford. A book. Entitled My Life and Work. Written by Henry Ford in collaboration with Samuel Crowther. Published 1922, Garden City, NY: Doubleday. Introduction.
    • Also quoted in Samuel Crowther, "Henry Ford's Problem," The Magazine of Business, vol. 52 (1927), p. 182.

Gordon_Glegg

Realms of the Design Mind

“The mind of the designer has three realms of activity... the inventive, the artistic, and the logical or rational.”

  • Source: Glegg, G. L. (1969). The Design of Design. Cambridge, UK: Cambridge University Press. ISBN: 978-0-511-79996-9. Chapter 2, page 18.

Kenneth_W_Kolence

Software Not Physical

“We clearly do not now have an engineering capability comparable to those based on the physical sciences. Such a capability is what is implied by the term software engineering. But software is not a physical system, it is a description of what one describes how a given physical system (a computer of some sort) should act. Thus software is more akin to engineering drawings, either maintained on paper or within a computer. ... So probably it is incorrect to assume software engineering should be considered as a sibling in the family of the physical science based engineering disciplines.”

Software Engineering Body of Knowledge

‘While software engineering may be based on good principles of design activities, it is not a physical science based engineering body of knowledge. So we have to build an engineering capability based on some other body of knowledge.”

Michael_Sean_Mahoney

Undefined Software Engineering

“If one could not define 'software engineering' at the time, neither could one point to its practice. It was not coined to characterize an ongoing activity but rather to express a desire for one.”
  • Source: Michael S. Mahoney in a paper entitled The Roots of Software Engineering. Published 1990 in CWI Quarterly, volume 3, number 4.

Steven_Pinker

Mind and Soul

“The traditional explanation of intelligence is that human flesh is suffused with a non-material entity, the soul, usually envisioned as some kind of ghost or spirit. But the theory faces an insurmountable problem: How does the spook interact with solid matter? How does an ethereal nothing respond to flashes, pokes, and beeps and get arms and legs to move? Another problem is the overwhelming evidence that the mind is the activity of the brain.”
  • 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 The search for Intelligent Life in the Universe.

Computational Mind Probabilistic

“The computational theory thus embraces an alternative kind of computer with many elements that are active to a degree corresponding to the probability that some statement is true or false, and in which the activity levels change smoothly to register new and roughly accurate probabilities. (As we shall see, that may be the way the brain works.) The key idea is that the answer to the question 'What makes a system smart?' is not the kind of stuff it is made of or the kind of energy flowing through it, but what the parts of the machine stand for and how the patterns of changes inside it are designed to mirror truth-preserving relationships (including probabilistic and fuzzy truths).”
  • 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: The search for Intelligent Life in the Universe.

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.

George_Sarton

Scientific Progress

“No history of civilization can be tolerably complete which does not give considerable space to the explanation of scientific progress. If we had any doubts about this, it would suffice to ask ourselves what constitutes the essential difference between our and earlier civilizations. Throughout the course of history, in every period, and in almost every country, we find a small number of saints, of great artists, of men of science. The saints of today are not necessarily more saintly than those of a thousand years ago; our artists are not necessarily greater than those of early Greece; they are more likely to be inferior; and of course, our men of science are not necessarily more intelligent than those of old; yet one thing is certain, their knowledge is at once more extensive and more accurate. The acquisition and systematization of positive knowledge is the only human activity which is truly cumulative and progressive. Our civilization is essentially different from earlier ones, because our knowledge of the world and of ourselves is deeper, more precise, and more certain, because we have gradually learned to disentangle the forces of nature, and because we have contrived, by strict obedience to their laws, to capture them and to divert them to the gratification of our own needs.”
  • Source: George (Alfred Léon) Sarton, Introduction to the History of Science (1927), Vol. 1, 3-4.

Mark_Seemann

Pair Programming

“...not everyone likes pair programming. As a typical introvert, I personally find the activity exhausting. It also leaves little room for contemplation, and it requires synchronization of schedules... it’s hardly practical or desirable to do it all the time.”
  • 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 190.

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.”

Design without Final Goals

“In the discussion of discovery processes. We saw there that search guided by only the most general heuristics of ‘interestingness’ or novelty is a fully realizable activity. This kind of search, which provides the mechanism for scientific discovery, may also provide the most suitable model of the social design process.”

Design Paradox

“A paradoxical, but perhaps realistic, view of design goals is that their function is to motivate activity which in turn will generate new goals.”

Baruch_Spinoza

Mind Pleasure

“When the mind regards itself and its own power of activity, it feels pleasure: and that pleasure is greater in proportion to the distinctness wherewith it conceives itself and its own power of activity.”

Alfred_Tarski

Search For Truth

“The search for truth is rightly considered the essence of scientific activities, it appears as an important problem to find at least partial criteria of truth and to develop procedures that may enable us to ascertain or negate the truth (or at least the likelihood of truth).”
  • Source: Alfred Tarski in his paper entitled ‘Truth and Proof’, published in Scientific America, 1969, volume 220 issue 6, pages 63-77. Online at https://www.jstor.org/stable/24926385.

Gerald_Weinberg

English and Cobol

“Writing in English and writing in Cobol are similar activities, but not because Cobol is 'like English.' The secret key to all good writing is re-writing. It's true in English and it's true in Cobol. It's even true in APL. Nobody but a genius is capable of writing perfect prose on the first draft.”
  • Source: Entitled: Understanding the Professional Programmer. Written by: Gerald M. Weinberg. Published: 1988. ISBN: 0932633099. Medium: Book.

Shoshana_Zuboff

Information Produced

“Thus, information technology, even when it is applied to automatically reproduce a finite activity, is not mute. It not only imposes information (in the form of programmed instructions) but also produces information.”
  • Source: Zuboff, S. (1988). In The Age Of The Smart Machine: The Future Of Work And Power. New York, NY: Basic Books, p. 9. ISBN:0465032125.

Informate

“The word that I have coined to describe this unique capacity is informate. Activities, events, and objects are translated into and made visible by information when a technology informates as well as automates.”
  • Source: Zuboff, S. (1988). In The Age Of The Smart Machine: The Future Of Work And Power. New York, NY: Basic Books, p. 10. ISBN:0465032125.

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.

Frederick Taylor

“The man who emerged as the chief symbol of the rational approach to management was Frederick Taylor. Though much has been written on Taylor and the philosophy and methods of scientific management, it is worth highlighting a few central themes for three reasons. First, Taylorism explicitly treats the worker's body in its two dimensions -- as a source of effort and as a source of skill. Second, workers' responses to Taylorism reveal the ambivalence that this dual role of the body can create, as it did among the bleach plant operators or the nineteenth-century glassmakers. Third, the logic that motivated the early purveyors and adapters of scientific management has continued to dominate the course of automation in the twentieth-century workplace. As will be argued later, it is a logic that must undergo a fundamental reevaluation as information technology is widely adapted to productive activity.”
  • Source: Zuboff, S. (1988). In The Age Of The Smart Machine: The Future Of Work And Power. New York, NY: Basic Books, p. 41. ISBN:0465032125.

Technology Management

“Even where control or deskilling has been the intent of managerial choices with respect to new information technology, managers themselves are also captive to a wide range of impulses and pressures. Only rarely is there a grand design concocted by an elite group ruthlessly grinding its way toward the fulfillment of some special and secret plan. Instead, there is a concentration of forces and consequences, which in turn develop their own momentum. Sometimes these lines of force run in predictably straight paths. At other times, they twist and spiral, turn corners, and flow to their opposite. Activities that seem to represent choices are often inert reproductions of accepted practice.”
  • 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.

Learning Environment

“The demands of a learning environment can reduce the psychological distance between the self and the organization because active engagement in the social processes associated with interpretation requires more extensive participation of the human personality. In a traditional approach to work organization, employees could be treated as objectively measurable bodies, and in return, they could give of their labor without giving of their selves. The human being as wage earner and the human being as subjective actor could remain separate.”
  • Source: Zuboff, S. (1988). In The Age Of The Smart Machine: The Future Of Work And Power. New York, NY: Basic Books, p. 401. ISBN:0465032125.

Fundamental Scientific Management Reevaluation

“The logic that motivated the early purveyors and adapters of scientific management has continued to dominate the course of automation... It is a logic that must undergo a fundamental reevaluation as information technology is widely adapted to productive activity.”
  • Source: Zuboff, S. (1988). In The Age Of The Smart Machine: The Future Of Work And Power. New York, NY: Basic Books, p. 42. ISBN:0465032125.