There is no such thing as a free variable.
ALAN PERLISAdapting old programs to fit new machines usually means adapting new machines to behave like old ones.
More Alan Perlis Quotes
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You can measure a programmer’s perspective by noting his attitude on the continuing vitality of FORTRAN.
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You think you KNOW when you learn.
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The best book on programming for the layman is Alice in Wonderland, but that’s because it’s the best book on anything for the layman.
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One can’t proceed from the informal to the formal by formal means.
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Motto for a research laboratory: what we work on today, others will first think of tomorrow.
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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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Everything should be built top-down, except the first time.
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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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To understand a program, you must become both the machine and the program.
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Are more sure when you can write, even more when you can teach, but certain when you can program.
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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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Optimization hinders evolution.
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A picture is worth 10K words – but only those to describe the picture.
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I think it is inevitable that people program poorly.
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“Toward what end, toward what end?”-but do not ask it too often lest you pass up the fun of programming for the constipation of bittersweet philosophy.
ALAN PERLIS