"I bet you anything that if you asked a hundred physicists, they would all say that the most beautiful equation in physics is Maxwell's equations."

"The world is full of people who are trying to figure out what's going on, and they're all wrong."

"I feel that if a man has a problem, it's not solved unless he understands it."

"I have a friend who's an artist and has sometimes taken a view which I don't agree with. He'll hold up a flower and say, 'Look how beautiful it is,' and I'll agree. Then he says, 'You see, as a scient…"

"I don't know anything, but I do know that everything is interesting if you look at it deeply enough."