A slave cannot be freed, save he do it himself. Nor can you enslave a free man; the very most you can do is kill him!

You live and learn. Or you don't live long.

There ain't no such thing as a free lunch." A Libertarian Movement slogan - The Moon Is a Harsh Mistress, 1907.

Most neuroses and some psychoses can be traced to the unnecessary and unhealthy habit of daily wallowing in the troubles and sins of five billion strangers.

First you must learn to control your self. The rest follows. Blessed is he who knows himself and commands himself, for the world is his and love and happiness and peace walk with him wherever he goes.

Always listen to experts. They'll tell you what can't be done, and why. Then do it.

The Stone trembled and threw herself outward bound, toward Saturn. In her train followed hundreds and thousands and hundreds of thousands of thousands of restless, rolling Stones . . . to Saturn . . . to Uranus, to Pluto . . . rolling on out to the stars . . . outward bound to the ends of the Universe.