No tempest or conflagration, however great, is harder to quell than mob carried away by the novelty of power.

To teach is a necessity, to please is a sweetness, to persuade is a victory.

The authority of those who teach is often an obstacle to those who want to learn.

If we are forced, at every hour, to watch or listen to horrible events, this constant stream of ghastly impressions will deprive even the most delicate among us of all respect for humanity.

Friendship is not to be sought for its wages, but because its revenue consists entirely in the love which it implies.

A home without books is a body without soul.

The most evident difference between man and animals is this: the beast, in as much as it is largely motivated by the senses and with little perception of the past or future, lives only for the present. But man, because he is endowed with reason by which he is able to perceive relationships, sees the causes of things, understands the reciprocal nature of cause and effect, makes analogies, easily surveys the whole course of his life, and makes the necessary preparations for its conduct.