"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."

"I object to having my fun regulated."

"I have a friend who's an artist and has sometimes taken a view which I don't agree with. He'll hold up a flower and say, 'Look how beautiful it is,' and I'll agree. Then he says, 'You see, as a scient…"

"I don't think there's any such thing as a 'best' way to do anything. There's just what works."

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