how the concepts with which the apostle here deals are analogous to and no doubt derived from the Old Testament. Four pivotal ideas are coordinated in these verses—the power of God, salvation, revelation, and the righteousness of God. In the Old Testament we find these same ideas brought together in a way of which verses 16, 17 are plainly reminiscent. “Oh sing unto the Lord a new song; for he hath done marvellous things: his right hand, and his holy arm, hath wrought salvation for him. The Lord