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

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

A good teacher is a determined person

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.

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

A teacher must believe in the value and interest of his subject as a doctor believes in health.

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.