Spirituality often evokes images of quiet centeredness, meditative serenity and freedom from life's pressures. It's become a chic commodity, with its benefits evoked by images of sunrises and secluded retreats. Contrast the apostle Paul, who promotes a cross-shaped spirituality for fools making their way though life's trials. Paul realized that images of crucifixion, burial and resurrection would never be popular images of the spiritual life. So he encourages his fellow travelers, who are spiritually united with Christ, to "follow me as I follow Christ." As he explores this ancient spiritual...