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

He meant that when people laugh together, they cease to be young and old, master and pupils, jailer and prisoners. They become a single group of human beings enjoying its existence.

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

You [the teacher] do not merely insert a lot of facts, if you teach them [the students] properly. It is not like injecting 500 cc. of serum, or administering a year's dose of vitamins.

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.

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

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