Let’s be honest. The Old Testament – along with much that is beautiful, wonderful, evocative, and edifying – contains material that is puzzling, disturbing, and even morally offensive when measured against the life and teaching of Jesus.
One of the big questions of biblical interpretation is how to make sense of that. One way to at least begin answering that question is Martin Luther’s double analogy in his introduction to the Old Testament. First he suggests that the Old Testament is like a rich and inexhaustible mine in which we find the wisdom of God. Then he compares it to the manger and swaddling clothes in which Jesus lies. Not everything in the Old Testament is the treasure. Some of it is more swaddling clothes and manger. But it is the loftiest and noblest of holy things because of the treasure it holds:
Therefore let your own thoughts and feelings go, and think of the Scriptures as the loftiest and noblest of holy things, as the richest of mines, which can never be worked out, so that you may find the wisdom of God that He lays before you in such foolish and simple guise, in order that He may quench all pride. Here you will find the swaddling-clothes and the mangers in which Christ lies, and to which the angel points the shepherds.
Simple and little are the swaddling-clothes, but dear is the treasure, Christ, that lies in them.