I hope I have helped to raise the profile of science and to... - Stephen Hawking

"It is not clear that intelligence has any long-term survival value."

"The downside of my celebrity is that I cannot go anywhere in the world without being recognized. It is not enough for me to wear dark sunglasses and a wig. The wheelchair gives me away."

"Life would be tragic if it weren't funny."

"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"

"So long as the universe had a beginning, we could suppose it had a creator. But if the universe is really completely self-contained, having no boundary or edge, it would have neither beginning nor end: it would simply be. What place, then, for a creator?"