we interpret every little piece of repair work as a flaw in the plan. Obviously, we say to ourselves, our plan isn’t working out. We’re embarrassed. We feel like failures. The truth is that plans almost never work out down to the last detail, and if one does occasionally come off without a hitch, it’s purely accidental. As the American general—and later president—Dwight Eisenhower said, “Plans are nothing. Planning is everything.” It’s not about having a fixed plan, it’s about repeated replanning—an ongoing process.