Our world is multicultural, multireligious, multiphilosophical. It ranges from fundamental monotheism to do-it-yourself spirituality to strident atheism. How can Christians engage in communicating across worldviews in this pluralistic and often relativistic society? When Paul visited Athens, he found an equally multicultural and multireligious setting. From Jews to Gentiles, elite to poor, slaves to slave owners, from olive-skinned Gentiles to dark-skinned Ethiopians--the Greco-Roman world was a dynamic mix. Religious practices were also wide and varied, with the imperial cult of emperor...