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

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.

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.

A good teacher is a determined person

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.

Many of the snarly bad-tempered teachers whom we remember with hatred were really nice people soured by years of anxiety and penny-pinching.

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.