"Never put your trust into anything but your own intellect. Your elder, no matter whether he has gray hair or has lost his hair, no matter whether he is a Nobel laureate — may be wrong. The world progr…"

"I have always liked working in some directions that people say, 'Well, that's ridiculous.'"

"Do you think that an American who insists on making up his own mind, who objects to being told what to do, to being pushed around by officious officials, is thereby made un-American? I do not. I think…"

"I don't think there's anything wrong with taking a lot of vitamin C."

"You can't have a good idea unless you have a lot of ideas."