Love should be a tree whose roots are deep in the earth, but whose branches extend into heaven.

A truer image of the world, I think, is obtained by picturing things as entering into the stream of time from an eternal world outside, than from a view which regards time as the devouring tyrant of all that is.

The main thing needed to make men happy is intelligence.

I think periods of browsing during which no occupation is imposed from without are important in youth because they give time for the formation of these apparently fugitive but really vital impressions.

Most people would sooner die than think; in fact, they do so.

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.

The discipline in your life should be one determined by your own desires and your own needs, not put upon you by society or authority.