He who imagines he can do without the world deceives himself much; but he who fancies the world cannot do without him is still more mistaken.

Pride does not wish to owe and vanity does not wish to pay.

Nothing is impossible; there are ways that lead to everything, and if we had sufficient will we should always have sufficient means. It is often merely for an excuse that we say things are impossible.

No man is clever enough to know all the evil he does.

We get so much in the habit of wearing disguises before others that we finally appear disguised before ourselves.

There is great ability in knowing how to conceal one’s ability.