What is a good person? One who achieves tranquillity by having formed the habit of asking on every occasion, "what is the right thing to do now?"

Do nothing in a depressed mood, nor as one afflicted, nor as thinking that you are in misery, for no one compels you to that.

It is not things in themselves which trouble us, but our opinions of things.

Liars are the cause of all the sins and crimes in the world.

If you wish to live a life free from sorrow, think of what is going to happen as if it had already happened.

Seek not that the things which happen should happen as you wish; but wish the things which happen to be as they are, and you will have a tranquil flow of life.

If you want to improve, be content to be thought foolish and stupid with regard to external things. Don't wish to be thought to know anything; and even if you appear to be somebody important to others, distrust yourself. For, it is difficult to both keep your faculty of choice in a state conformable to nature, and at the same time acquire external things. But while you are careful about the one, you must of necessity neglect the other