If a listener nods his head when you’re explaining your program, wake him up.
ALAN PERLISTo understand a program, you must become both the machine and the program.
More Alan Perlis Quotes
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Fools ignore complexity. Pragmatists suffer it. Some can avoid it. Geniuses remove it.
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A LISP programmer knows the value of everything, but the cost of nothing.
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Once you understand how to write a program get someone else to write it.
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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.
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In the long run, every program becomes rococo, and then rubble.
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We toast the Lisp programmer who pens his thoughts within nests of parentheses.
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Dealing with failure is easy.
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We are on the verge: Today our program proved Fermat’s next-to-last theorem.
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Learning French is trivial: the word for horse is cheval, and everything else follows in the same way.
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Some programming languages manage to absorb change, but withstand progress.
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To understand a program, you must become both the machine and the program.
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In English every word can be verbed.
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In computing, the mean time to failure keeps getting shorter.
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We began to feel as if we really were responsible for the successful, error-free perfect use of these machines.
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C programmers never die. They are just cast into void.
ALAN PERLIS






