If they were of this world, they would lose. If Christ's kingdom were of this world, it would lose. But neither they nor Christ's kingdom are of this world. He shall dominion progressively in history, for He rose from the grave in history and ascended into heaven over history. The vast majority of those who call themselves evangelical Christians believe that the Church of Jesus Christ has been predestined by God to fail in history.
Gentry argues otherwise.
He shows that Christians have many great things to accomplish for Christ before He returns bodily to earth.