"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."
"The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."
"Keeping an active mind has been vital to my survival, as has been maintaining a sense of humor."
"Life would be tragic if it weren't funny."
"why are we here?where do we come from?traditionally,these are questionsfor philosophy,but philosophy is dead"
"[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."