Unless in communicating with it one says exactly what one means, trouble is bound to result.

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.

One day ladies will take their computers for walks in the park and tell each other, "My little computer said such a funny thing this morning".

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

I am not very impressed with theological arguments whatever they may be used to support. Such arguments have often been found unsatisfactory in the past. In the time of Galileo it was argued that the texts, 'And the sun stood still... and hasted not to go down about a whole day' (Joshua x. 13) and 'He laid the foundations of the earth, that it should not move at any time' (Psalm cv. 5) were an adequate refutation of the Copernican theory.

A very large part of space-time must be investigated, if reliable results are to be obtained.