Alan Turing — "The most important thing for a mathematician is intuition."

"This is only a foretaste of what is to come, and only the shadow of what is going to be."

"It is possible for a machine to have a memory in the sense that a human being has a memory."

"No, I am not interested in developing a powerful brain. All I am after is just a mediocre brain, something like the Brain of the Man in the Street."

"The question, 'Can machines think?' should be replaced by 'Are there imaginable digital computers which would do well in the imitation game?'"

"There are many questions which we shall have to answer, for example, what is the nature of consciousness?"