Sometimes it is the people no one imagines anything of who do the things that no one can imagine.

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.

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

A man provided with paper, pencil, and rubber, and subject to strict discipline, is in effect a universal machine.

In attempting to construct such (artificially intelligent) machines we should not be irreverently usurping His (God's) power of creating souls, any more than we are in the procreation of children,” Turing had advised. “Rather we are, in either case, instruments of His will providing mansions for the souls that He creates.

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.

If a machine is expected to be infallible, it cannot also be intelligent.