Each lesson begins with a scripture passage and the author draws comfortably and appropriately from a rich array of other sources (Annie Dillard, St. Augustine, Henri Nowen, Kathy Mattea, Madeleine L???Engle, Dietrich Bonhoeffer, St. Francis, Oscar Romero, and the movie Good Will Hunting are a sampling.) The author???s own engaging writing style, including his ability to illumine his ideas with th