Elegance is not a dispensable luxury but a factor that decides between success and failure.

Beware of "the real world". A speaker's apeal to it is always an invitation not to challenge his tacit assumptions.

I now have had my foggy crystal ball for quite a long time. Its predictions are invariably gloomy and usually correct, but I am quite used to that and they won't keep me from giving you a few suggestions, even if it is merely an exercise in futility whose only effect is to make you feel guilty.

The computing scientist's main challenge is not to get confused by the complexities of his own making.

Computer science has as much to do with computers as astronomy has to do with telescopes.

A programming language is a tool that has profound influence on our thinking habits.

Much of the excitement we get out of our work is that we don't really know what we are doing.