This lecture discusses the late ancient monastic theologian, John Cassian's work Institutes of the Coenobia, book 8, "Of The Spirit of Anger". It focuses specifically on his advice that we ought to not retain anger once we begin feel the emotion, a theme that Cassian returns to at multiple points in the chapter. Specifically, we should not take the precept "let not the sun go down on your anger" as an excuse to retain anger for a given time-period To support my ongoing work, go to my Patreon site - www.patreon.com/sadler If you'd like to make a direct contribution, you can do so here - www.paypal.me/ReasonIO You can find over 3000 philosophy videos in my main YouTube channel - www.youtube.com/user/gbisadler Purchase John Cassian's Institutes - https://amzn.to/3zK6j2b