Nothing is good for him for whom nothing is bad.

At twenty a man is a peacock, at thirty a lion, at forty a camel, at fifty a serpent, at sixty a dog, at seventy an ape, at eighty a nothing at all.

To keep is more important than to make friends.

We live by information, not by sight.

Two kinds of people are good at foreseeing danger: those who have learned at their own expense, and the clever people who learn a great deal at the expense of others.

Nothing arouses ambition so much in the heart as the trumpet-clang of another's fame.

Better mad with the rest of the world than wise alone.