Do not feel envious of the happiness of those who live in a fool's paradise, for only a fool will think that is happiness.

When one admits that nothing is certain one must, I think, also admit that some things are much more nearly certain than others.

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

It's coexistence or no existence.

I often long to . . . give up my life to love of my neighbour. This is really a temptation.

The man who pursues happiness wisely will aim at the possession of a number of subsidiary interests in addition to those central ones upon which his life is built.

There lies before us, if we choose, continual progress in happiness, knowledge and wisdom. Shall we instead choose death, because we cannot forget our quarrels? I appeal as a human being to human beings; remember your humanity, and forget the rest.