Computer users soon learn that the miraculous powers of personal computers are based on avoidance of error.

The real danger is not that computers will begin to think like men, but that men will begin to think like computers.

One of the best things to come out of the home computer revolution could be the general and widespread understanding of how severely limited logic really is.

Any sufficiently crisp question can be answered by a single binary digit-0 or 1, yes or no.

... the familiar phenomenon of GIGO (Garbage In-Garbage Out).

If you put tomfoolery into a computer, nothing comes out but tomfoolery. But this tomfoolery, having passed through a very expensive machine, is somehow ennobled, and no one dares to criticize it.

Software suppliers are trying to make their software more "user friendly" ... Their best approach, so far, has been to take all the old brochures, and stamp the words "user friendly" on the cover.

From then on, when anything went wrong with a computer, we said it had bugs in it.

Man is still the most extraordinary computer of all.

Computers can figure out all kinds of problems, except the things in the world that just don't add up.