It is doctrine that gave us the crusades. It is doctrine that gave us monasticism. It is doctrine that gave us bishops and popes. And it is doctrine that gave us The Reformation. The church can have no unity when her doctrine is not unanimous.
Trouble is, nobody likes to admit error.
The twentieth-century church has a new brand of judaizers, and a new brand of gnostics. We need to be as diligent to identify heresy in the church today as the apostles were in the first century. Idiosyncratic to our time, dispensationalism does not really believe that the full canon of God's covenantal blessing, cursing, and promises to the nation Israel, apply also to the New Testament church. Given man's natural predisposition toward comfort and cowardice, dispensationalism renders the church impotent. Let's look at this in a practical way.