It's your fiction that interests me. Your studies of the interplay of human motives and emotion.

Experimentation is the least arrogant method of gaining knowledge. The experimenter humbly asks a question of nature.

Many a prophecy, by the mere force of its being believed, is transmuted to fact.

There is a single light of science, and to brighten it anywhere is to brighten it everywhere.

On Earth, we are unmanned by our longing for a pastoral past that never really existed; and that, if it had existed, could never exist again...on the Moon, there is no past to long for or dream about. There is no direction but forward.

Grip the nettle firmly and it will become a stick with which to beat your enemy.

Society is much more easily soothed than one's own conscience.