A man used to riding in a car cannot understand a pedestrian.

Human nature, if it changes at all, changes not much faster than the geological face of the earth.

The next war... may well bury Western civilization forever.

Work is what horses die of

Human nature is full of riddles and contradictions; its very complexity engenders art-and by art I mean the search for something more than simple linear formulations, flat solutions, oversimplified explanations.

How quickly a zek (a prisoner) gets cheeky-or, putting it in literary language, how quickly a man's requirements grow.

A man is happy so long as he chooses to be happy and nothing can stop him.