Self knowledge is the beginning of self improvement.

Know how to choose well. Most of life depends thereon. It needs good taste and correct judgment, for which neither intellect nor study suffices.

Friends provoked become the bitterest of enemies.

When you counsel someone, you should appear to be reminding him of something he had forgotten, not of the light he was unable to see.

It is profound philosophy to sound the depths of feeling and distinguish traits of character. Men must be studied as deeply as books.

Fortune pays you sometimes for the intensity of her favors by the shortness of their duration. She soon tires of carrying any one long on her shoulders.

Politeness is the chief sign of culture.