How to Make the Big Decisions in Your Life — The U.S. Marine Corps 80% Rule @timferriss
How to Make the Big Decisions in Your Life — The U.S. Marine Corps 80% Rule  @timferriss
Uploaded January 2026 | Updated September 2026, 2 weeks ago
Arthur Brooks is a professor at the Harvard Kennedy School and the Harvard Business School, where he teaches courses on leadership and happiness. His next book, The Meaning of Your Life: Finding Purpose in an Age of Emptiness, will be released on March 31, 2026.

This episode is brought to you by:

Humann’s SuperBeets Sport for endurance and recovery: humann.com/tim
Monarch track, budget, plan, and do more with your money: monarch.com/tim
AG1 all-in-one nutritional supplement: drinkag1.com/tim
Coyote the card game​, which I co-created with Exploding Kittens: coyotegame.com

Tim Ferriss is one of Fast Company’s “Most Innovative Business People” and an early-stage tech investor/advisor in Uber, Facebook, Twitter, Shopify, Duolingo, Alibaba, and 50+ other companies. He is also the author of five #1 New York Times and Wall Street Journal bestsellers: The 4-Hour Workweek, The 4-Hour Body, The 4-Hour Chef, Tools of Titans and Tribe of Mentors. The Observer and other media have named him “the Oprah of audio” due to the influence of his podcast, The Tim Ferriss Show, which has exceeded one billion downloads and been selected for “Best of Apple Podcasts” three years running.

Sign up for "5-Bullet Friday" (Tim's free weekly email newsletter): https://go.tim.blog/5-bullet-friday-yt/
Follow the Tim Ferriss Podcast: https://tim.blog/podcast/
Visit the Tim Ferriss Blog: https://tim.blog/
Follow Tim Ferriss on Twitter: twitter.com/tferriss
Follow Tim Ferriss on Instagram: instagram.com/timferriss
Like Tim Ferriss on Facebook: facebook.com/TimFerriss
How to Make the Big Decisions in Your Life — The U.S. Marine Corps 80% RuleDr. Fei-Fei Li, The Godmother of AI — Asking Audacious Questions & Finding Your North StarBoost Your Cognition with Creatine — Dr. Rhonda Patrick #creatine #longevityHow Pro Athletes Heal Tendon Injuries 25% FasterGodfather of AIs Scary Thought Experiment
Tim Ferriss |

How to Make the Big Decisions in Your Life — The U.S. Marine Corps 80% Rule

SHARE TO X SHARE TO REDDIT SHARE TO FACEBOOK WALLPAPER