Piety and morality are but the same spirit differently manifested. Piety is religion with its face toward God; morality is religion with its face toward the world.

Sincerity is not test of truth-no evidence of correctness of conduct. You may take poison sincerely believing it the needed medicine, but will it save your life?

To waken interest and kindle enthusiasm is the sure way to teach easily and successfully.

Between two evils, choose neither; between two goods, choose both.

If you would thoroughly know anything, teach it to others.

Age does not depend upon years, but upon temperament and health. Some men are born old, and some never grow so.

Compromise is but the sacrifice of one right or good in the hope of retaining another - too often ending in the loss of both.