Whoever does not regard what he has as most ample wealth, is unhappy, though he be master of the world.

It is the sign of a dull mind to dwell upon the cares of the body, to prolong exercise, eating and drinking and other bodily functions. These things are best done by the way; all your attention must be given to the mind.

What is yours is to play the assigned part well. But to choose it belongs to someone else

No man is disturbed by things, but by his opinion about things.

Don't demand or expect that events happen as you would wish them do. Accept events as they actually happen. That way, peace is possible.

Learn to distinguish what you can and can't control. Within our control are our own opinions, aspirations, desires and the things that repel us. They are directly subject to our influence.

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?"