"How they survived I dare not imagine. Determination and willpower."
Walter How - Sailmaker, Endurance
Key Lesson: Seek inspiration in enduring wisdom that has comforted or motivated you or others in times of crisis. It will get you through the most physically and emotionally draining times and help you to keep your perspective.
Shackleton sought inspiration in poetry and the Bible. What sources of inspiration do you tap into when facing a challenge?