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

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 of the twisted minds and crippled characters in the world were made by careless parents who kept their children away from knives and fires, but put permanent scars on their souls.

The young do not demand omniscience. They know it is unattainable. They do demand sincerity.

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 teacher's chief difficulty is poverty. He (or she) belongs to a badly paid profession. He cannot dress and live like a workman, but he is sometimes paid as little as an unskilled laborer.

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