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

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

Bad teaching wastes a great deal of effort, and spoils many lives which might have been full of energy and happiness.

The aim of those who try to control thought is always the same. They find one single explanation of the world, one system of thought and action that will (they believe) cover everything; and then they try to impose that on all thinking people.

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.

The relation between parents and children is essentially based on teaching.

Language is a living thing