Keep your attention focused entirely on what is truly your own concern, and be clear that what belongs to others is their business and none of yours.

If you would cure anger, do not feed it. Say to yourself: 'I used to be angry every day; then every other day; now only every third or fourth day.' When you reach thirty days offer a sacrifice of thanksgiving to the gods.

All religions must be tolerated for every man must get to heaven in his own way.

If one oversteps the bounds of moderation, the greatest pleasures cease to please.

Some things are up to us [eph' hêmin] and some things are not up to us. Our opinions are up to us, and our impulses, desires, aversions–in short, whatever is our own doing. Our bodies are not up to us, nor are our possessions, our reputations, or our public offices, or, that is, whatever is not our own doing.

If someone speaks badly of you, do not defend yourself against the accusations, but reply; "you obviously don't know about my other vices, otherwise you would have mentioned these as well

These are the signs of a wise man: to reprove nobody, to praise nobody, to blame nobody, nor even to speak of himself or his own merits.