In these two short books by Epictetus, which we have titled “The Guide to Happiness,” you will discover the clear mind, warm heart, deep emotions, and a philosophy of life lived with sincerity of a slave dedicated to freedom and inner peace. By the time you finish reading this translation, you will find yourself unable to resist applying his principles to your own life; you will act with a sense of duty that you have wholeheartedly embraced, and you will experience the profound joy of viewing life through the wise eyes of a philosopher.