Tom Gayner is the CEO of Markel Group. He discusses investing, optimizing for comfort, the difference between good and bad debt, decision-making, and opportunity cost. Listen on: Apple Podcasts: https://podcasts.apple.com/us/podcast/the-knowledge-project-with-shane-parrish/id990149481 Spotify: https://open.spotify.com/show/1VyK52NSZHaDKeMJzT4TSM?si=abde3cc6a48d43ef Follow: Twitter: https://twitter.com/ShaneAParrish Instagram: https://www.instagram.com/farnamstreet/ LinkedIn: https://www.linkedin.com/in/shane-parrish-050a2183/ Get the newsletter: https://fs.blog/newsletter/