"The machine has a definite state at any moment, which is determined by the instructions it has received and by the results of its previous operations."

"The machine will eventually be able to do anything that a human can do."

"A human being is a machine for converting food into thoughts."

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

"The view that machines cannot give rise to surprises is due, I believe, to a fallacy to which philosophers and mathematicians are particularly subject."