A good programming language is a conceptual universe for thinking about programming.

Optimization hinders evolution.

FORTRAN is not a flower but a weed - it is hardy, occasionally blooms, and grows in every computer.

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.

If a listener nods his head when you're explaining your program, wake him up.

You can measure a programmer's perspective by noting his attitude on the continuing vitality of FORTRAN.

Dealing with failure is easy: Work hard to improve. Success is also easy to handle: You've solved the wrong problem. Work hard to improve.