
“In the practical world of computing, it is rather uncommon that a program, once it performs correctly and satisfactorily, remains unchanged forever.”
Program Development by Stepwise Refinement (1971)
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Niklaus Wirth 13
Swiss computer scientist 1934Related quotes


“Should the computer program the kid or should the kid program the computer?”
Spacewar http://wheels.org/spacewar/stone/rolling_stone.html ROLLING STONE · 7 DECEMBER 1972

Source: The Kama Sutra of Vatsyayana: Translated From the Sanscrit in Seven Parts With Preface, Introduction and Concluding Remarks http://books.google.com/books?id=SbEZWRTwsToC&pg=PT27, Library of Alexandria, p. 27

"A Half Century of Surprises", in Talking Back to the Machine: Computers and Human Aspiration, Ed. Peter J. Denning, Springer, 1999, ISBN 0387984135, p. 112
Source: 1970s, Organizational Analysis: A Sociological View, 1970, p. 34
Source: Computer-Aided Design: A Statement of Objectives (1960), p. 2.

“Controlling complexity is the essence of computer programming.”
Software Tools (1976), p. 319 (with P. J. Plauger).