The truth is often a terrible weapon of aggression. It is possible to lie, and even to murder, with the truth.

Every pampered child becomes a hated child.... There is no greater evil than the pampering of children.

A simple rule in dealing with those who are hard to get along with is to remember that this person is striving to assert his superiority; and you must deal with him from that point of view.

The educator must believe in the potential power of his pupil, and he must employ all his art in seeking to bring his pupil to experience this power.

It is well known that those who do not trust themselves never trust others.

There is a courage of happiness as well as a courage of sorrow.

Tears and complaints - the means which I have called water power - can be an extremely useful weapon for disturbing cooperation and reducing other to a condition of slavery.