In man-machine symbiosis, it is man who must adjust: The machines can't.

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.

There are two ways to write error-free programs; only the third one works.

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

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.

Learning French is trivial: the word for horse is cheval, and everything else follows in the same way.

Some programming languages manage to absorb change, but withstand progress.