There are many kinds of smiles, each having a distinct character. Some announce goodness and sweetness, others betray sarcasm, bitterness and pride; some soften the countenance by their languishing tenderness, others brighten by their spiritual vivacity.

Habit is altogether too arbitrary a master for me to submit to.

His calumny is not only the greatest benefit a rogue can confer on us, but the only service he will perform for nothing.

Mistrust the man who finds everything good, the man who finds everything evil and still more the man who is indifferent to everything.

He submits himself to be seen through a microscope, who suffers himself to be caught in a fit of passion.

He who comes from the kitchen, smells of its smoke; and he who adheres to a sect, has something of its cant; the college air pursues the student; and dry inhumanity him who herds with literary pedants.

The proverbial wisdom of the populace in the street, on the roads, and in the markets instructs the ear of him who studies man more fully than a thousand rules ostentatiously displayed.