That's one small step for man, one giant leap for mankind. - On the first moonwalk, July 20, 1969.

God does not play dice with the universe; He plays an ineffable game of His own devising, which might be compared, from the perspective of the players, (ie everybody), to being involved in an obscure and complex version of poker in a pitch-dark room, with blank cards, for infinite stakes, with a Dealer who won't tell you the rules, and who smiles all the time.

I think the First Amendment is probably the most important thing that you have in this country. And I'm always horrified at the cavalier way that you (Americans) treat it.

Mystery creates wonder and wonder is the basis of man's desire to understand.

I believe every human has a finite number of heartbeats. I don't intend to waste any of mine.

Well, I think we tried very hard not to be overconfident, because when you get overconfident, that's when something snaps up and bites you.