"I don't need a theory, I just want to know what the hell is going on."

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

"Fiddling is the answer. Experimenting is fiddling around. It's not an organized program, elegance — it's impossible. I noticed it."

"Study hard what interests you the most in the most undisciplined, irreverent and original manner possible."

"The more you learn, the more you realize how much you don't know."