Continued from here….
He obeyed even unto death, hanging on the tree, He put away the old disobedience which was wrought in the tree.
He is the Word of God Almighty, who in unseen manner in our midst is universally extended in all the world, and encompasses its length and breadth and height and depth.
For by the Word of God the whole universe is ordered and disposed.
In it the Son of God is crucified, inscribed crosswise upon it all.
For it is right that He being made visible, should set upon all things visible the sharing of His cross, that He might show His operation on visible things through a visible form.
For He it is who illuminates the height, that is the heavens; and encompasses the deep which is beneath the earth and stretches and spreads out the length from east to west.
He it is who steers across the breadth of north and south summoning all that are scattered in every quarter to the knowledge of the Father.
Moreover He fulfilled the promise made to Abraham, which God had promised him, to make his seed as the stars of heaven.
For this Christ did, who was born of the Virgin who was of Abraham’s seed, and constituted those who have faith in Him lights in the world, and by the same faith with Abraham justified the Gentiles.
For Abraham believed God, and it was counted unto him for righteousness. In like manner we also are justified by faith in God: for the just shall live by faith.
Now not by the law is the promise to Abraham, but by faith: for Abraham was justified by faith: and for a righteous man the law is not made.
In like manner we also are justified not by the law, but by faith, which is witnessed to in the law and in the prophets, whom the Word of God presents to us.
And He fulfilled the promise to David; for to him God had promised that of the fruit of his body He would raise up an eternal King, whose kingdom should have no end.
And this King is Christ, the Son of God, who became the Son of man; that is, who became the fruit of that Virgin who had her descent from David.
And for this cause the promise was, Of the fruit of thy body – that He might declare the peculiar uniqueness of Him, who was the fruit of the virgin body that was of David, even of Him who was King over the house of David, and of whose kingdom there shall be no end.
Irenaeus of Lyons (2nd century AD – c. 202): Demonstration of the Apostolic Preaching, 34-36 (slightly adapted).