Psi and/or magical powers, if real, are nearly useless.

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

Never tell a computer to forget it.

I myself have dreamed up a structure intermediate between Dyson spheres and planets. Build a ring 93 million miles in radius – one Earth orbit – around the sun. If we have the mass of...

Ethics change with technology.

The value of a thing is what that thing will bring. -Legal Maxim

1a) Never throw shit at an armed man.1b) Never stand next to someone who is throwing shit at an armed man.

Fear is the brother of hate.

The dinosaurs became extinct because they didn’t have a space program. And if we become extinct because we don’t have a space program, it’ll serve us right!

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.

Spray a book with insect spray, drop it in a bag, add some mothballs and seal it. Put it in another bag and seal it. Another. The packages piled up on the floor, each a...

Mother Nature doesn’t care if you’re having fun.

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