A man perfects himself by working. Foul jungles are cleared away, fair seed-fields rise instead, and stately cities; and with the man himself first ceases to be a jungle, and foul unwholesome desert thereby. The man is now a man.

Virtue is like health: the harmony of the whole man.

The situation that has not its duty, its ideal, was never yet occupied by man. Yes, here, in this poor, miserable, hampered, despicable actual, wherein thou even now standest, here or nowhere is thy ideal; work it out therefrom, and, working, believe, live, be free. Fool! the ideal is in thyself.

Statistics, one may hope, will improve gradually, and become good for something. Meanwhile, it is to be feared the crabbed satirist was partly right, as things go: "A judicious man," says he, "looks at Statistics, not to get knowledge, but to save himself from having ignorance foisted on him."

True humor springs not more from the head than from the heart. It is not contempt; its essence is love. It issues not in laughter, but in still smiles, which lie far deeper.

Coining "Dismal Science" as a nickname for Political Economy

Isolation is the sum total of wretchedness to a man.