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

"Instead of trying to produce a programme to simulate the adult mind, why not rather try to produce one which simulates the child's? If this were then subjected to an appropriate course of education on…"

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

"If the man were to try and pretend to be the machine he would clearly make a very poor showing. He would be given away at once by slowness and inaccuracy in arithmetic."

"The human mind is capable of doing many things that a machine cannot, but a machine can do many things that a human cannot."