There are two ways to write error-free programs; only the third one works.
ALAN PERLISIf your computer speaks English, it was probably made in Japan.
More Alan Perlis Quotes
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Adapting old programs to fit new machines usually means adapting new machines to behave like old ones.
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When someone says, “I want a programming language in which I need only say what I want done,” give him a lollipop.
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One can only display complex information in the mind.
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It is easier to change the specification to fit the program than vice versa.
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Every program has (at least) two purposes: the one for which it was written and another for which it wasn’t.
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When a professor insists computer science is X but not Y, have compassion for his graduate students.
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If you have a procedure with 10 parameters, you probably missed some.
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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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Motto for a research laboratory: what we work on today, others will first think of tomorrow.
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Programmers are not to be measured by their ingenuity and their logic but by the completeness of their case analysis.
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Because of its vitality, the computing field is always in desperate need of new cliches.
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If a listener nods his head when you’re explaining your program, wake him up.
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To understand a program, you must become both the machine and the program.
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Every reader should ask himself periodically.
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Optimization hinders evolution.
ALAN PERLIS






