I believe in my neighbors. I know their faults and I know that their virtues far outweigh their faults.

Remember this: once the human race is established on more than one planet and especially, in more than one solar system, there is no way now imaginable to kill off the human race.

It may be better to be a live jackal than a dead lion, but it is better still to be a live lion. And usually easier.

Place your clothes and weapons where you can find them in the dark.

Oh, you have to charge 'em, Jubal. The marks won't pay attention if it's free.

Man is not a rational animal, he is a rationalizing animal.

They didn't want it good, they wanted it Wednesday.