"I am a homosexual. I have been convicted of gross indecency. I have been subjected to chemical castration."

"The problem of consciousness is a hard problem, and I don't know the answer."

"I do not wish to give the impression that I think there is no mystery about consciousness. There is, for instance, something of a paradox connected with any attempt to localize it."

"The computer is the most powerful tool ever invented by man."

"The human brain is a machine, and it can be simulated by another machine."