"We like to believe that Man is in some subtle way superior to the rest of creation. It is best if he can be shown to be necessarily superior, for then there is no danger of him losing his commanding p…"

"The extent to which we regard mind as an attribute of the body, or something separable from it, is largely a matter of convenience."

"Mathematical logic, as a subject, is going to have a great future."

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

"I am not interested in whether a machine can think, but in whether it can make me think."