"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…"

"If you think you understand quantum mechanics, you don't understand quantum mechanics."

"When I was in high school, I'd read about the great scientists and I was ashamed that I was not a great scientist. I used to think, 'What's the matter with me? I'm not a great scientist.'"

"I don't have to be a gentleman."

"I'm not interested in being a guru. I'm interested in understanding the world."