As there is a use in medicine for poisons, so the world cannot move without rogues.

Always do what you are afraid to do.

The counting-room maxims liberally expounded are laws of the Universe. The merchant's economy is a coarse symbol of the soul's economy. It is, to spend for power, and not for pleasure.

A man's power to connect his thought with its proper symbol, and so to utter it, depends on the simplicity of his character, that is, upon his love of truth, and his desire to communicate it without loss.

History is the action and reaction of these two, nature and thought.

I honor health as the first Muse.

The effects of opposition are wonderful. There are men who rise refreshed on hearing of a threat, men to whom a crisis, which intimidates and paralyzes the majority, comes as graceful and beloved as a bride!