"What I cannot create, I do not understand."

"It doesn't matter how beautiful your theory is, it doesn't matter how smart you are. If it doesn't agree with experiment, it's wrong."

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

"The thing about science is that it's all about trying to prove yourself wrong."

"I don't think I'm a very good teacher. I just try to explain things clearly."