Bad teaching wastes a great deal of effort, and spoils many lives which might have been full of energy and happiness.

Leisure is one of the three greatest rewards of being a teacher. It is, unfortunately, the privilege which teachers most often misuse.

I believe that much of the maladjustment in our societies is caused, not by malevolence and corruption, but simply by ignorance.

Poetry is halfway between prose and music: it is sometimes like an intimate conversation, in words and phrases which need not be fully uttered, and sometimes like dancing and wordless music.

Many people have played themselves to death. Many people have eaten and drunk themselves to death. Nobody ever thought himself to death.

Like all great teachers he knew that a picture is worth a thousand words and that people learn most quickly by doing something or seeing something done.

The real duty of man is not to extend his power or multiply his wealth beyond his needs, but to enrich and enjoy his imperishable possession: his soul.