Voicing one theme for the entire Bible and structuring all sermons around that idea may seem to be an impossible challenge. For veteran pastor and preaching professor Edmund Clowney it will not do to preach a text from either the Old or New Testaments without fully preaching its ultimate and primary focus-the person and work of Jesus Christ. He writes, 'To see the text in relation to Christ is to see it in its larger context, the context of God's purpose in revelation.'