As I see it now, Templeton didn’t just master the markets. He mastered himself. He took responsibility for every aspect of his life, including his time, money, health, thoughts, and emotions. This required extraordinary self-discipline. We don’t often celebrate self-discipline. It’s such an old-fashioned and fusty virtue. But Templeton triumphed by taking self-discipline to an extreme. As Pabrai learned from Munger, “Take a simple idea and take it seriously.”