"Waste no more time arguing about what a good man should be. Be one."

"When you wake up in the morning, tell yourself: The people I deal with today will be meddling, ungrateful, arrogant, dishonest, jealous, and surly."

"Do not disturb yourself by picturing your life as a whole; do not embrace in your imagination all the various troubles which are likely to befall you, but rather, at every accession of trouble, ask yo…"

"The duration of a man's life is but a point; the substance of it ever flowing, the sense obscure, the course of the body headlong, the soul fickle, fortune uncertain, and fame doubtful."

"What is evil? It is that which you have seen many times. And when you are about to be angry with anyone, remember that man is not evil, but only acts in error."