Self-help form the Dismal Science? The man best know as the saint of self-interest (“The Wealth of Nations”), also wrote about the ties that bind. Smith’s “The Theory of Moral Sentiments” argued that the root of well-being lies in family and and the regard of ones’s peers, not in fame or wealth. In “Adam Smith Can Change Your Life“, Russell Roberts treats these ideas as a framework for personal contentment. To Smith, this was the same basis for self-interest in the marketplace.