Enslave a man and you destroy his ambition, his enterprise, his capacity. In the constitution of human nature, the desire of bettering one's condition is the mainspring of effort. The first touch of slavery snaps this spring.
Horace MannIn 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.
Horace MannA house without books is like a room without windows. No man has a right to bring up his children without surrounding them with books, if he has the means to buy them.
Horace Mann