As a rule, software systems do not work well until they have been used, and have failed repeatedly, in real applications.

There are no standards for computer programmers and no group to certify them.

We must not forget that the wheel is reinvented so often because it is a very good idea; I've learned to worry more about the soundness of ideas that were invented only once.

I have found that the reason a lot of people are interested in artificial intelligence is the same reason a lot of people are interested in artificial limbs: they are missing one.

Many spend their time berating practitioners for not applying their method. We all need to disseminate our ideas, but most of our time should be spent applying and improving our methods, not selling them. The best way to sell a mouse trap is to display some trapped mice.

Artificial intelligence has the same relation to intelligence as artificial flowers have to flowers.

One bad programmer can easily create two new jobs a year.