- “Marcus, the body can take damn near anything. It’s the mind that needs training. The question that guy was being asked involved mental strength. Can you handle such injustice? Can you cope with that kind of unfairness, that much of a setback? And still come back with your jaw set, still determined, swearing to God you will never quit? That’s what we’re looking for.” Lone Survivor: The Eyewitness Account of Operation Redwing and the Lost Heroes of SEAL Team 10 (Luttrell, Marcus) page 102