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One man's constant is another man's variable.

Alan Perlis

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Alan Perlis
Age: 67 †
Born: 1922
Born: April 1
Died: 1990
Died: February 7
Computer Scientist
Mathematician
University Teacher
Pittsburg
Pennsylvania
Alan Jay Perlis
Alan J. Perlis
Variable
Variables
Programmers
Constant
Another
Men

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A picture is worth 10K words - but only those to describe the picture. Hardly any sets of 10K words can be adequately described with pictures.
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In man-machine symbiosis, it is man who must adjust: The machines can't.
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There are two ways to write error-free programs only the third one works.
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Motto for a research laboratory: what we work on today, others will first think of tomorrow.
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One can only display complex information in the mind. Like seeing, movement or flow or alteration of view is more important than the static picture, no matter how lovely.
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Syntactic sugar causes cancer of the semicolon.
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Optimization hinders evolution.
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Some programming languages manage to absorb change, but withstand progress.
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A language that doesn't affect the way you think about programming is not worth knowing.
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Don't have good ideas if you aren't willing to be responsible for them.
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If your computer speaks English, it was probably made in Japan.
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Once you understand how to write a program get someone else to write it.
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It is easier to change the specification to fit the program than vice versa.
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C programmers never die. They are just cast into void.
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It is better to have 100 functions operate on one data structure than to have 10 functions operate on 10 data structures.
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In software systems it is often the early bird that makes the worm.
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In English every word can be verbed. Would that it were so in our programming languages.
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In computing, the mean time to failure keeps getting shorter.
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In programming, as in everything else, to be in error is to be reborn.
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To understand a program, you must become both the machine and the program.
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