"I'm not a genius. I'm just intensely curious."

"I'm smart enough to know that I'm dumb."

"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."

"I was a little bit of a maverick."

"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…"