Greatness in work, art, and science requires obsession over quality and an extraordinary attention to detail. “What many another writer would be content to leave in massive proportions,” Ernest Hemingway reflected, “I polish into a tiny gem.”22 Alfred Hitchcock required more than seventy shots to perfect the shower scene in the movie Psycho.23 To create his famous vacuum cleaner, James Dyson created 5,000 prototypes. It took him fifteen years. Now that’s obsessing!24
