A generation educated in fearless freedom will have wider and bolder hopes than are possible to us

The average man's opinions are much less foolish than they would be if he thought for himself.

(on A History of Western Philosophy) I was sometimes accused by reviewers of writing not a true history but a biased account of the events that I arbitrarily chose to write of. But to my mind, a man without a bias cannot write interesting history - if, indeed, such man exists.

In action, in desire, we must submit perpetually to the tyranny of outside forces; but in thought, in aspiration, we are free, free from our fellowmen, free from the petty planet on which our bodies impotently crawl, free even, while we live, from the tyranny of death.

If one lived for ever the joys of life would inevitably in the end lose their savour. As it is, they remain perennially fresh.

Worry is a form of fear, and all forms of fear produce fatigue. A man who has learned not to feel fear will find the fatigue of daily life enormously diminished.

Civilized people cannot fully satisfy their sexual instinct without love.