Ah Fate, cannot a man Be wise without a beard? East, West, from Beer to Dan, Say, was it never heard That wisdom might in youth be gotten, Or wit be ripe before 't was rotten?

Every industrious man, in every lawful calling, is a useful man. And one principal reason why men are so often useless is that they neglect their own profession or calling, and divide and shift their attention among a multiplicity of objects and pursuits.

The senses interfere everywhere, and mix their own structure with all they report of.

You cannot do wrong without suffering wrong.

A man is known by the books he reads.

Circumstance does not make the man. Circumstance reveals man to himself.

Man carries the world in his head, the whole astronomy and chemistry suspended in a thought. Because the history of nature is charactered in his brain, therefore he is the prophet and discoverer of her secrets. Every known fact in natural science was divined by the presentiment of somebody, before it was actually verified.