Know the subject; love the subject; like your students; know your students.

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

A good teacher is a determined person

These are not books, lumps of lifeless paper, but minds alive on the shelves.

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

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.

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