Every program has (at least) two purposes: the one for which it was written and another for which it wasn't.
Alan PerlisRead
Because of its vitality, the computing field is always in desperate need of new cliches: Banality soothes our nerves.
Interpretation
What this quote means
The computing field constantly requires fresh ideas to combat monotony, as familiar phrases provide comfort.
Alan Perlis highlights the dynamic nature of the computing field, where innovation is essential. He suggests that as the field evolves rapidly, the constant influx of new ideas is necessary to avoid stagnation. At the same time, familiar concepts or clichés serve to provide reassurance and stability amidst the swift changes, hinting at a balance needed between creativity and comfort in communication.
Themes
InnovationTechnologyClichéVitalityCreativity
In practice
Example use cases
Using this quote during a tech conference to emphasize the importance of innovation in the industry.
More from Alan Perlis
All quotes →In computing, turning the obvious into the useful is a living definition of the word "frustration".
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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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A good programming language is a conceptual universe for thinking about programming.
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Every reader should ask himself periodically “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.
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C programmers never die. They are just cast into void.
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