Some eyes threaten like a loaded and levelled pistol, and others are as insulting as hissing or kicking; some have no more expression than blueberries, while others are as deep as a well which you can fall into.

Let us interrogate the great apparition, that shines so peacefully around us.

The value of a principle is the number of things it will explain.

A man is the whole encyclopedia of facts. The creation of a thousand forests is in one acorn, and Egypt, Greece, Rome, Gaul, Britain, America, lie folded already in the first man.

Common sense is genius dressed in its working clothes.

Can anything be so elegant as to have few wants, and to serve them one's self?

The age of puberty is a crisis in the age of man worth studying. It is the passage from the unconscious to the conscious; from thesleep of passions to their rage.