Virtue is an angel, but she is a blind one, and must ask Knowledge to show her the pathway that leads to her goal.

A teacher should, above all things, first induce a desire in the pupil for the acquisition he wishes to impart.

Affectation hides three times as many virtues as charity does sins.

Republics, one after another . . . have perished from a want of intelligence and virtue in the masses of the people. . . .

In vain do they talk of happiness who never subdued an impulse in obedience to a principle. He who never sacrificed a present to a future good, or a personal to a general one, can speak of happiness only as the blind speak of color.

If there is anything for which I would go back to childhood, and live this weary life over again, it is for the burning, exalting, transporting thrill and ecstasy with which the young faculties hold their earliest communion with knowledge.

Avoid witticisms at the expense of others.