In his book, Better: A Surgeon's Notes on Performance, Atul Gawande explores the idea of constantly striving for excellence in one's field. He argues that this is not only possible, but necessary in order to provide the best possible care for patients. Gawande uses examples from his own surgical practice to illustrate the importance of always trying to improve. He also discusses how this philosophy can be applied to other areas of life. Ultimately, Gawande concludes that by constantly striving for better performance, we can make a real difference in the world.