"I object to having my fun regulated."

"I'm not a popularizer. I'm not trying to tell the public what to think. I'm just telling them what I think."

"I would often go to these conferences where they would talk about the ultimate theory, and I would always say, 'What's the ultimate experiment?'"

"It doesn't seem to me that this fantastically marvelous universe, this tremendous range of time and space and different kinds of animals, and all the different planets, and all these atoms with all th…"

"I'm a great believer in the idea that if you don't understand something, you should try to explain it to someone else."