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

The best school in the world will scarcely save a boy who hates the school and the purpose it serves and the society that created it.

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.

These are not books, lumps of lifeless paper, but minds alive on the shelves. From each of them goes out its own voice... and just as the touch of a button on our set will fill the room with music, so by taking down one of these volumes and opening it, one can call into range the voice of a man far distant in time and space, and hear him speaking to us, mind to mind, heart to heart.

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

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