Our inner natures are formed by our outer promises.
New York Times columnist David Brooks explores a life well lived. In this episode he examines happiness and commitments. In his book *The Road to Character*, he studies people who radiate an inner light. What work did they do to reach higher levels of happiness? A successful life usually depends on making four major commitments: to spouse or family, a faith or philosophy, a community, and a vocation. How do we choose what we will commit to, and how do we execute those commitments?