Nuclear weapons offer us nothing but a balance of terror, and a balance of terror is still terror.
A peacetime draft is the most un-American thing I know.
Since we have had a history, men have pursued an ideal of immortality.
The thought that we're in competition with Russians or with Chinese is all a mistake, and trivial. We are one species, with a world to win.
A lecture is much more of a dialogue than many of you probably realize.
There's life all over this universe, but the only life in the solar system is on earth, and in the whole universe we are the only men.