There are no nations! There is only humanity. And if we don't come to understand that right soon, there will be no nations, because there will be no humanity.

It is no defense of superstition and pseudoscience to say that it brings solace and comfort to people. . . . If solace and comfort are how we judge the worth of something, then consider that tobacco brings solace and comfort to smokers; alcohol brings it to drinkers; drugs of all kinds bring it to addicts; the fall of cards and the run of horses bring it to gamblers; cruelty and violence bring it to sociopaths. Judge by solace and comfort only and there is no behavior we ought to interfere with.

Maybe happiness is this: not feeling like you should be elsewhere, doing something else, being someone else.

Science fiction writers foresee the inevitable, and although problems and catastrophes may be inevitable, solutions are not.

The true artist is quite rational as well as imaginative and knows what he is doing; if he does not, his art suffers.

You show me someone who can't understand people and I'll show you someone who has built up a false image of himself.

Today's science fiction is tomorrow's science fact.