18 ordspråk av Donald Knuth

Donald Knuth

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Pas på fejl i ovennævnte program; jeg har kun bevist, at der er korekt, ikke afprøvet det.

Var uppmärksam på fel i ovanstående program; jag har bara bevisat att det är korrekt, inte provkört det.

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.

The manuals we got from IBM would show examples of programs and I knew I could do a heck of a lot better than that. So I thought I might have some talent.

In fact what I would like to see is thousands of computer scientists let loose to do whatever they want. That's what really advances the field.

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

The hardest thing is to go to sleep at night, when there are so many urgent things needing to be done. A huge gap exists between what we know is possible with today's machines and what we have so far been able to finish.

My feeling is that when we prepare a program, the experience can be just like composing poetry or music; as Andrei Ershov has said, programming can give us both intellectual and emotional satisfaction, because it is a real achievement to master complexity and to establish a system of consistent rules.

Premature optimization is the root of all evil (or at least most of it) in programming.

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.

God is a challenge because there is no proof of his existence and therefore the search must continue.

Beware of bugs in the above code; I have only proved it correct, not tried it.

Let us change our traditional attitude to the construction of programs. Instead of imagining that our main task is to instruct a computer what to do, let us concentrate rather on explaining to human beings what we want a computer to do.

Any inaccuracies in this index may be explained by the fact that it has been sorted with the help of a computer.

If you optimize everything, you will always be unhappy.

An algorithm must be seen to be believed.

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