It is not without good reason, that he who has not a good memory should never take upon him the trade of lying.

A well-bred man is always sociable and complaisant.

Disappointment and feebleness imprint upon us a cowardly and valetudinarian virtue.

There is no conversation more boring than the one where everybody agrees.

I study myself more than any other subject. That is my metaphysics, that is my physics.

To say less of yourself than is true is stupidity, not modesty. To pay yourself less than you are worth is cowardice and pusillanimity.

The great and glorious masterpiece of humanity is to know how to live with a purpose.