Species evolve to meet the environment. An intelligent species changes the environment to suit itself. As soon as a species becomes intelligent, it should stop evolving.

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

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

And every friend I've got has been writing Mars stories. It was pretty clear I'd never catch up.

Ethics change with technology.

I've got five or six unpublished stories kicking around looking for somebody to buy them.

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