It is the Christian conviction that God, in some mysterious way, poured himself into the life of Jesus of Nazareth in order to communicate himself, his purpose, without distortion. The mystery is that He did so without also relinquishing his ubiquity, his everywhereness. God's Word was incarnated in the life of Jesus. The resurrection of Jesus, seen as a divine seal of approval on his life and death, is Christianity's source of origin. - Introduction.