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

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

If you do not actually like boys and girls, or young men and young women, give up teaching.

Wherever there are beginners and experts, old and young, there is some kind of learning going on, some kind of teaching. We are all pupils and we are all teachers.

The wise teacher knows that 55 minutes of work plus 5 minutes laughter are worth twice as much as 60 minutes of unvaried work.

Most Americans do not like poetry. We may respect it, but we do not enjoy it.

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.