"I have had a very happy life. I have done many things that I wanted to do."

"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 …"

"It is not possible to produce a set of rules purporting to describe what a man should do in every conceivable set of circumstances."

"The most beautiful thing we can experience is the mysterious."

"The computer is a universal simulator."