"Physics is like sex: sure, it may give some practical results, but that's not why we do it."

"I have often thought that if there is any hell, it must be the place where there are no questions, only answers."

"I don't want to be a part of the establishment. I want to be an outsider."

"I think it's much more interesting to live with not knowing than to have answers that might be wrong."

"I was in an intellectual fight with my father, and I kept saying, 'But the books say it!' And he said, 'The books are wrong!'"