In challenging a kzin, a simple scream of rage is sufficient. You scream and you leap.

That's the thing about people who think they hate computers. What they really hate is lousy programmers.

Everything starts as somebody's daydream.

I've got five or six unpublished stories kicking around looking for somebody to buy them.

I do suspect that privacy was a passing fad.

Intelligence is just a tool to be used toward a goal, and goals are not always chosen intelligently.

For each human being there is an optimum ratio between change and stasis. Too little change, he grows bored. Too little stability, he panics and loses his ability to adapt. One who marries six times in ten years won't change jobs. One who moves often to serve his company will maintain a stable marriage. A woman chained to one home and family may redecorate frantically or take a lover or go to many costume parties.