The majority is always sane.

Ethics change with technology.

SF isn't a genre; SF is the matrix in which genres are embedded, and because the SF field is never going in any one direction at any one time, there is hardly a way to cut it off.

The human species really could have faced global thermonuclear war. During seventy years of Cold War we grew used to it.

Everything starts as somebody's daydream.

In the world of words the imagination is one of the forces of nature.

In hindsight it may even seem inevitable that a socialist society will starve when it runs out of capitalists.

You learn by writing short stories. Keep writing short stories. The money's in novels, but writing short stories keeps your writing lean and pointed.

We learn only to ask more questions.

It's very difficult for a black man to get out of South-Central Los Angeles, and get out civilized....The only men I know who have escaped, all began reading Robert Heinlein at age ten.

One mark of a good officer, he remembered, was the ability to make quick decisions. If they happen to be right, so much the better.

Bad timekeeping will suck the life out of your bank account.

Her wide, gorgeous smile was the culprit. It was pure magic. Neighbors lined the parking lot, eager to empty their pockets, all so she'd shine that beam on them.

Wonder at God's merciful love is a very practical emotion. Holy wonder will lead you to grateful worship and heartfelt thanksgiving. It will cause within you godly watchfulness

I tell you, my idea of a ghost is something quite different. Dead men rise up never – read even your poets. Ghosts breed in the living.

When I wasn't killing time in school, I was sparring in the gym or selling crack on the strip.

They decided the mummy would be unwrapped, for the titillation of the ladies, just after dinner.

Nothing so obstinately stands in the way of all sorts of progress as pride of opinion. While nothing is so foolish and baseless.

We shall all die, and our lives will be irrelevant then.

I'm a black belt in tae kwon do.

That's my opportunity to hide behind that old lady and say what I want to say.