Laurence van Cott Niven (b. April 30, 1938) is an American science fiction author. His best-known work is Ringworld (1970), which received Hugo, Locus, Ditmar, and Nebula awards. His work is primarily hard science fiction, using big science concepts and theoretical physics. It also often includes elements of detective fiction and adventure stories. His fantasy includes the series The Magic Goes Away, rational fantasy dealing with magic as a non-renewable resource. (Click here for full Wikipedia article)
A civilization has the ethics it can afford.
Any damn fool can predict the past.
Anything you don't understand is dangerous until you do understand it.
Ethics change with technology.
Everything starts as somebody's daydream.
Fear is the brother of hate.
Forget the infinities: Concentrate on detail.
Half of wisdom is learning what to unlearn.
I do suspect that privacy was a passing fad.
Mother Nature doesn't care if you're having fun.
Never tell a computer to forget it.
No cause is so noble that it won't attract fuggheads.
No technique works if it isn't used.
One mark of a good officer... was the ability to make quick decisions. If they happen to be right, so much the better.
Psi and/or magical powers, if real, are nearly useless.
Sometimes there's no point in giving up.
Stupidity is always a capital crime.
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!
The gods do not protect fools. Fools are protected by more capable fools.
The perversity of the universe tends towards a maximum. The universe is hostile.
The Unexpected always comes at the most awkward times.
There is never no hope left. Remember.
There is no cause so right that one cannot find a fool following it.
To witness titanic events is always dangerous, usually painful, and often fatal.
We learn only to ask more questions.