A computer would deserve to be called intelligent if it could deceive a human into believing that it was human.

We can only see a short distance ahead, but we can see plenty there that needs to be done.

Science is a differential equation. Religion is a boundary condition.

Machines take me by surprise with great frequency.

I believe that at the end of the century the use of words and general educated opinion will have altered so much that one will be able to speak of machines thinking without expecting to be contradicted.

No, I'm not interested in developing a powerful brain. All I'm after is just a mediocre brain, something like the President of the American Telephone and Telegraph Company.

Mathematical reasoning may be regarded rather schematically as the exercise of a combination of two facilities, which we may call intuition and ingenuity.

We are not interested in the fact that the brain has the consistency of cold porridge.