"Rev. Galen Guengerich, the charismatic, brilliant leader of one of the nation's most prominent Unitarian congregations, All Souls Church, shares with readers his wisdom on how to lead a spiritual life through the practice of gratitude. When Guengerich was in his mid-twenties, he left the Conservative Mennonite Church, the faith of his upbringing. He was scared, but he needed to set out to find the way of life that was right for him. For Guengerich,...