Anything you're good at contributes to happiness.

A marriage is likely to be called happy if neither party ever expected to get much happiness out of it.

An individual human existence should be like a river

When we have told how things behave when they are electrified, and under what circumstances they are electrified, we have told all there is to know

Love, children, and work, are the great sources of fertilizing contact between the individual and the rest of the world.

Religions, which condemn the pleasures of sense, drive men to seek the pleasures of power. Throughout history power has been the vice of the ascetic.

We know too much and feel too little.