"There is a fundamental difference between religion, which is based on authority, and science, which is based on observation and reason. Science will win because it works."
"I regard the afterlife to be a fairy story for people that are afraid of the dark"
"My expectations were reduced to zero when I was 21. Everything since then has been a bonus."[The Science of Second-Guessing (New York Times Magazine Interview, December 12, 2004)]"
"[In the Universe it may be that] Primitive life is very common and intelligent life is fairly rare. Some would say it has yet to occur on Earth."
"Life would be tragic if it weren't funny."
"I think computer viruses should count as life ... I think it says something about human nature that the only form of life we have created so far is purely destructive. We've created life in our own image."