More quotes by Stephen Hawking

"However difficult life may seem, there is always something you can do and succeed at."
"[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."
"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."
"I have noticed that even those who assert that everything is predestined and that we can change nothing about it still look both ways before they cross the street"
"Life would be tragic if it weren't funny."