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

SF isn't a genre; SF is the matrix in which genres are embedded, and because the SF field is never going in any one direction at any one time, there is hardly a way to cut it off.

Consider the true picture. Think of myriads of tiny bubbles, very sparsely scattered, rising through a vast black sea. We rule some of the bubbles. Of the waters we know nothing.

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

Boredom is my worst enemy. It's killed a lot of my friends, but it won't get me. When I get bored, I go risk my life somewhere.

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

There is no cause so good or noble that it will not attract fuggheads; and the fuggheads will get all the press.