Coptic Christians beheaded on the beach. Russian believers told they will be stripped of their religious freedoms. And Syrian Christians driven from their homes. The bad news bombards us. And add to these the fact that, due to war and persecution, the number of the world’s displaced people has reached 60 million—half of them children. (This number represents more people than at any time since World War II.) With all this persecution making headlines, believers frequently hear a familiar quote: “The blood of the martyrs is the seed of the church.” Some of us have heard the words so often we have to remind ourselves it’s not in the Bible.…