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.

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.

The gods do not protect fools. Fools are protected by more capable fools.

If your political theory requires humanity to "evolve", then you do not have a theory.... you have a dream.

The best cure for a stick up your butt is a dog to play fetch with.

A case of can't do with, can't do without, that's why I married him again.

Many things, for aught I know, may exist, whereof neither I nor any other man hath or can have any idea or notion whatsoever.

Every secret we confide in another person can be a burden to them

One may quote till one compiles.

It's clear your marriage is a happy one Your love is solid to the core May the years ahead be happy ones Each one happier than before

Is he nuts?" "I think the expression used to be 'touched by God'." "So that would be a yes.

He looked a shade too healthy and nobody likes that. Particularly in New York.

I had looked forward so eagerly to leaving the horrible place, yet when my release came and I knew that God's sunlight was to be free for me again, there was a certain pain in leaving