All that time is lost which might be better employed

Watch a cat when it enters a room for the first time. It searches and smells about, it is not quiet for a moment, it trusts nothing until it has examined and made acquaintance with everything.

The training of children is a profession, where we must know how to waste time in order to save it.

Do I dare set forth here the most important, the most useful rule of all education? It is not to save time, but to squander it.

Whoever blushes confesses guilt, true innocence never feels shame.

Every man has the right to risk his own life in order to preserve it. Has it ever been said that a man who throws himself out the window to escape from a fire is guilty of suicide?