The trailer for the epic World War II movie Saving Private Ryan contains these words: “In the last great invasion of the last great war, the greatest challenge for eight men was saving . . . one.” Jesus similarly told a parable about a shepherd who searched for one lost lamb. “If a man has a hundred sheep and one of them gets lost, what will he do? Won’t he leave the ninety-nine others in the wilderness and go to search for the one that is lost until he finds it?” (Luke 15:4). Christ told the story to illustrate how God won’t…