Donald Knuth Quotes

• Computer programming is an art, because it applies accumulated knowledge to the world, because it requires skill and ingenuity, and especially because it produces objects of beauty. A programmer who subconsciously views himself as an artist will enjoy what he does and will do it better.

  Donald Knuth

  Art, Views, Skills

  "Computer Programming as an Art". Communications of the ACM, Volume 17, Issue 12, dl.acm.org. December 1974.

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• Programming is the art of telling another human being what one wants the computer to do.

  Donald Knuth

  Art, Want, Computer

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• Always remember, however, that there’s usually a simpler and better way to do something than the first way that pops into your head.

  Donald Knuth

  Firsts, Way, Remember

  Donald Ervin Knuth (1986). “The METAFONTbook”, Addison-Wesley Professional

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• Hay que olvidarse de las pequeñas eficiencias, digamos del 97% de las veces: la optimización prematura es la raíz de todos los males.

  Donald Knuth

  Learning, Roots, Evil

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• Computers are good at following instructions, but not at reading your mind.

  Donald Knuth

  Funny Inspirational, Reading, Following Instructions

  Donald Ervin Knuth (1984). “The texbook”, Addison-Wesley Professional

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• When you write a program, think of it primarily as a work of literature. You're trying to write something that human beings are going to read. Don't think of it primarily as something a computer is going to follow. The more effective you are at making your program readable, the more effective it's going to be: You'll understand it today, you'll understand it next week, and your successors who are going to maintain and modify it will understand it.

  Donald Knuth

  Writing, Thinking, Next Week

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• Programs are meant to be read by humans and only incidentally for computers to execute.

  Donald Knuth

  Computer, Program, Humans

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• If you find that you're spending almost all your time on theory, start turning some attention to practical things; it will improve your theories. If you find that you're spending almost all your time on practice, start turning some attention to theoretical things; it will improve your practice.

  Donald Knuth

  Practice, Attention, Spending

  "Theory and Practice". Theoretical Computer Science, 1991.

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• Cuidado con los errores del código anterior; sólo he probado que es correcto, no lo he probado.

  Donald Knuth

  Funny Inspirational, Bugs, Computer

  Memorandum to Peter van Emde Boas, 29 Mar. 1977

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• If you optimize everything, you will always be unhappy.

  Donald Knuth

  Unhappy, Unhappiness, Ifs

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• It is much more rewarding to do more with less.

  Donald Knuth

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• Science is what we understand well enough to explain to a computer. Art is everything else we do.

  Donald Knuth

  Art, Math, Science

  Foreword to the book "A=B" by Marko Petkovsek, Herbert S. Wilf and Doron Zeilberger, 1996.

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• La optimización prematura es la raíz de todos los males.

  Donald Knuth

  Science, Roots, Evil

  Donald Ervin Knuth (1986). “TEX: The Program”, Addison-Wesley Professional

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• Email is a wonderful thing for people whose role in life is to be on top of things. But not for me; my role is to be on the bottom of things. What I do takes long hours of studying and uninterruptible concentration.

  Donald Knuth

  Long, People, Roles

  "Email (let's drop the hyphen)". Article on a personal home page at Stanford University, www-cs-faculty.stanford.edu.

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• The enjoyment of one's tools is an essential ingredient of successful work.

  Donald Knuth

  Successful, Essentials, Tools

  Donald E. Knuth (2014). “Art of Computer Programming, Volume 2: Seminumerical Algorithms”, p.398, Addison-Wesley Professional

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• Un algoritmo hay que verlo para creerlo.

  Donald Knuth

  Engineering, Algorithms, Computer Science

  Donald Ervin Knuth (1997). “The Art of Computer Programming: Fundamental algorithms”, Addison-Wesley Professional

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• La gente cree que la informática es el arte de los genios, pero la realidad es todo lo contrario: mucha gente haciendo cosas que se construyen unas sobre otras, como un muro de minipiedras.

  Donald Knuth

  Art, Wall, Reality

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• The psychological profiling [of a programmer] is mostly the ability to shift levels of abstraction, from low level to high level. To see something in the small and to see something in the large.

  Donald Knuth

  Levels, Psychological, Lows

  Interview with Jack Woehr, Dr. Dobb's Journal, April 1996.

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• Los mejores programas se escriben para que las máquinas informáticas puedan ejecutarlos rápidamente y para que los seres humanos puedan entenderlos con claridad. Un programador es idealmente un ensayista que trabaja con formas estéticas y literarias tradicionales, así como con conceptos matemáticos, para comunicar la forma en que funciona un algoritmo y convencer a un lector de que los resultados serán correctos.

  Donald Knuth

  Machines, Algorithms, Way

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• Everyday life is like programming, I guess. If you love something you can put beauty into it.

  Donald Knuth

  Everyday, Life Is Like, Programming

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• Random numbers should not be generated with a method chosen at random

  Donald Knuth

  Numbers, Method, Should

  Donald E. Knuth (2014). “Art of Computer Programming, Volume 2: Seminumerical Algorithms”, p.25, Addison-Wesley Professional

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• The best theory is inspired by practice.

  Donald Knuth

  Practice, Inspired, Theory

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• AI has by now succeeded in doing essentially everything that requires 'thinking' but has failed to do most of what people and animals do 'without thinking'-that, somehow, is much harder.

  Donald Knuth

  Animal, Pensamiento, Gente

  "The AI Revolution: The Road to Superintelligence" by Tim Urban, www.huffingtonpost.com. February 10, 2015.

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• The most important thing in the programming language is the name. A language will not succeed without a good name. I have recently invented a very good name and now I am looking for a suitable language.

  Donald Knuth

  Names, Important, Statistics

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• The best practice is inspired by theory.

  Donald Knuth

  Best Practices, Practice, Inspired

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