There are eyes, to be sure, that give no more admission into the man than blueberries.

Every individual man has a bias which he must obey, and...it is only as he feels and obeys this that he rightly develops and attains his legitimate power in the world. It is his magnetic needle, which points always in one direction to his proper path.... He is never happy nor strong until he finds it, keeps it.

Wit makes its own welcome, and levels all distinctions. No dignity, no learning, no force of character, can make any stand against good wit.

No one can read the history of astronomy without perceiving that Copernicus, Newton, Laplace, are not new men, or a new kind of men, but that Thales, Anaximenes, Hipparchus, Empodocles, Aristorchus, Pythagorus, Oenipodes, had anticipated them.

Life is in short cycles or periods; we are quickly tired, but we have rapid rallies. A man is spent by his work, starved, prostrate; he will not lift his hand to save his life; he can never think more. He sinks into deep sleep and wakes with renewed youth, with hope, courage, fertile in resources, and keen for daring adventure.

Drudgery, calamity, exasperation, want, are instructors in eloquence and wisdom.

The poor are only they who feel poor.