Anger may be foolish and absurd, and one may be wrongly irritated, but a man never feels outraged unless in some respect he is fundamentally right.

Paris is a sum total. Paris is the ceiling of the human race. All this prodigious city is an epitome of dead and living manners and customs. He who sees Paris, seems to see all history through with the sky and constellations in the intervals.

He who opens a school door, closes a prison.

Habit is the nursery of errors.

Progress is the life-style of man.

Every blade has two edges; he who wounds with one wounds himself with the other.

The beautiful has but one type, the ugly has a thousand.