"We are not interested in the fact that the machine can do well, but in the fact that it can do badly."

"The problems of biology can be reduced to physics and chemistry."

"The story of how it all came to be found out is a long and fascinating one, which I shall have to make into a short story one day, but haven't the time to tell you now."

"The machine should be able to understand what it is doing."

"Mathematics, rightly viewed, possesses not only truth, but supreme beauty—a beauty cold and austere, like that of sculpture, without appeal to any part of our weaker nature, without the gorgeous trapp…"