"I would like to add a third possibility, that it might be that, when we die, we just die, and that's the end of it."

"You have no responsibility to live up to what other people think you ought to accomplish. I have no responsibility to be like what they expect me to be. It's their mistake, not my failing."

"Why do you suppose that, when you are not speaking English, you speak with an accent?"

"I'm not a popularizer. I'm not trying to tell the public what to think. I'm just telling them what I think."

"The highest forms of understanding we can achieve are laughter and human compassion."