This lecture discusses key ideas from the 20th and 21st century philosopher and moral theorist, Alasdair MacIntyre's work After Virtue It focuses upon chapter 14, specifically on his discussion of why three virtues in particular - justice, courage, and honesty - are needed for practices, and to stave off the corrupting influences of institutions upon practices. MacIntyre does not claim that these are the only virtues ever needed, but he explains why these three are. 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 - or at BuyMeACoffee - www.buymeacoffee.com/A4quYdWoM You can find over 1500 philosophy videos in my main YouTube channel - www.youtube.com/user/gbisadler You can get MacIntyre's After Virtue here - https://amzn.to/2RiplGT