Snippets from the Handbook 1

Of all existing things, some are in our power, and others are not in our power. 

In our power are thought, impulse, will to get and will to avoid, and, in a word, everything which is our own doing. 

Things not in our power include the body, property, reputation, office, and, in a word, everything which is not our own doing. 

—Epictetus, The Handbook 1