At certain times and in certain schools it is orthodox to be a rebel; and in general it is a very poor class that does not contain at least three pupils who can be counted on to oppose the teachers authority and loudly and persistently to question everything he says.

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

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

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 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.

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

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.