Know the true value of time; snatch, seize, and enjoy every moment of it.
To know a little of anything gives neither satisfaction nor credit, but often brings disgrace or ridicule.
A man of sense soon discovers, because he carefully observes, where and how long he is welcome; and takes care to leave the company at least as soon as he is wished out of it. Fools never perceive whether they are ill timed or ill placed.
Whoever plays deep must necessarily lose his money or his character.
Gratitude is a burden upon our imperfect nature.
Knowledge of the world in only to be acquired in the world, and not in a closet.