Alan Turing — "Logic will get you from A to B. Imagination will take you everywhere."

"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 digital computer is a universal machine, capable of performing any computable task."

"The popular view that scientists proceed inexorably from well-established fact to well-established fact, never being influenced by any unproved conjecture, is quite mistaken. Provided it is made clear…"

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

"The only way to do great work is to love what you do."