Spacemen - men who work in space, pilots and jetmen and astrogators and such - are men who like a few million miles of elbow room.

Stupidity cannot be cured. Stupidity is the only universal capital crime; the sentence is death. There is no appeal, and execution is carried out automatically and without pity.

Why don't they make more science fiction movies? The answer to any question starting, Why don't they- is almost always, Money.

The truth of a proposition has nothing to do with its credibility. And vice versa.

Always cut the cards...and smile when you lose.

Never own more than you can carry in both hands at a dead run.

There is no safety this side of the grave