Man is the most intelligent of the animals - and the most silly.
By worrying as little as possible about fame.
Blushing is the color of virtue.
To arrive at perfection, a man should have very sincere friends or inveterate enemies; because he would be made sensible of his good or ill conduct, either by the censures of the one or the admonitions of the other.
Democritus says, "But we know nothing really; for truth lies deep down".
The sun, too, shines into cesspools and is not polluted.