Master Your Mind and Defy the Odds

David Goggins is the only man in history to complete elite training as a Navy SEAL, Army Ranger, and Air Force Tactical Air Controller. Oh, and he's a record-breaking endurance athlete who was named "The Fittest (Real) Man in America" by Outside magazine. Need more? He did all of this after enduring a childhood wracked by poverty, abuse, and prejudice.

Now, when that kinda guy offers you some life advice, you'd be wise to shut up and listen.

When we asked T Nation Instagram fans to name the one book that influenced them the most, this one came out on top. – Chris Shugart