If you desire to be good, begin by believing that you are wicked. -Epictetus

The essence of philosophy is that a man should so live that his happiness shall depend as little as possible on external things. -Epictetus

To accuse others for one's own misfortunes is a sign of want of education. To accuse oneself shows that one's education has begun. To accuse neither oneself nor others shows that one's education is complete. -Epictetus