One may live tranquilly in a dungeon; but does life consist in living quietly?
He who blushes is already guilty.
A feeble body weakens the mind.
No one is happy unless he respects himself.
There is no folly of which a man who is not a fool cannot get rid except vanity; of this nothing cures a man except experience of its bad consequences, if indeed anything can cure it.
That which renders life burdensome to us generally arises from the abuse of it.