"The world is a stage, but the play is badly cast."

"I simply want to find out more about the world, and I find that the best way to do that is to do science."

"I was born not knowing and have had only a little time to change that here and there."

"By the way, Professor, you know that paper in which you say those quantities are analogous... Did you know they're proportional?"

"The thing that I cannot understand is what I cannot create. And I can't create a universe. So I don't understand the universe."