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

"The human brain is a biological computer."

"The computer is a tool for understanding the universe."

"The future of humanity depends on the development of artificial intelligence."

"The original question, 'Can machines think?' I believe to be too meaningless to deserve discussion. Nevertheless I believe that at the end of the century the use of words and general educated opinion …"