"If anyone tells you that a certain person speaks ill of you, do not make excuses about what is said of you but answer, "He was ignorant of my other faults, else he would not have mentioned these alone.""
"I have often wondered how it is that every man loves himself more than all the rest of men, but yet sets less value on his own opinion of himself than on the opinion of others."
"Whenever you are about to find fault with someone, ask yourself the following question: What fault of mine most nearly resembles the one I am about to criticize?"
"If you are distressed by anything external, the pain is not due to the thing itself, but to your estimate of it; and this you have the power to revoke at any moment."
"If they are wise, why do you fight with them? If they are fools, why do you care about them?"
"The best revenge is not to be like that."
"The man who tries to find out what has been said against him, who seeks to unearth spiteful gossip, even when engaged in privately, is destroying his own peace of mind."