Can't Hurt Me: Master Your Mind and Defy the Odds by David Goggins is a nonfiction English paperback (Country of Origin: India), a New York Times bestseller with over 7 million copies sold. In this curse-word-free edition Goggins, a retired Navy SEAL and the only U.S. Armed Forces member to complete SEAL, Army Ranger, and Air Force Tactical Air Controller training, shares his life story and The 40% Rule to teach self-discipline and mental toughness.