I don't have a strong interest in history.

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.

The dinosaurs became extinct because they didn't have a space program.

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

Never be embarrassed or ashamed by anything you choose to write.

I've got five or six unpublished stories kicking around looking for somebody to buy them.

In general, I don't know when inspiration will pop up.