self-revelation of God to men takes place within our human sphere and time, that we have the great importance of the Old Testament for the interpretation of Christ, and therefore for Christology. Christ cannot be understood without the Old Testament. (See Emil Brunner, The Word and the World) By that is not meant that the historian needs the knowledge of Israelite history and literature to be able to explain the life of Jesus—much as those are necessary—but that is rather a separate matter, and hardly