“One mark of a great mind,” Walter Isaacson said, “is the willingness to change it.”48 When the world around you changes—when the tech bubble bursts or self-driving cars become the norm—the ability to change with the world confers an extraordinary advantage. “The successful executive is faster to recognize the bad decisions and adjust,” explains Walt Bettinger, the CEO of Charles Schwab, “whereas failing executives often dig in and try to convince people that they were right.”
