The one consistent belief of the “consistently inconsistent” John Maynard Keynes was that he could do better. Failure did not mean he had reached the limits of his ability. It meant he had to think hard and give it another go. Try, fail, analyze, adjust, try again: Keynes cycled through those steps ceaselessly. Keynes operated on a higher plane than most of us, but that process—try, fail, analyze, adjust, try again—is fundamental to how all of us learn,