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.

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.

I believe that much of the maladjustment in our societies is caused, not by malevolence and corruption, but simply by ignorance.

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.

A very wise old teacher once said: I consider a day's teaching wasted if we do not all have one hearty laugh.

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

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