The essence of philosophy is that a man should so live that his happiness shall depend as little as possible on external things.
EpictetusIf someone irritates you, it is only your own response that is irritating you. Therefore, when anyone seems to be provoking you, remember that it is only your judgment of the incident that provokes you. -
EpictetusBe not swept off your feet by the vividness of the impression, but say, "Impression, wait for me a little. Let me see what you are and what you represent. Let me try you."
Epictetus