For what is called by the Divine Spirit through the prophet "His robe," are those men who believe in Him in whom abideth the seed[1] of God, the Word. And what is spoken of as "the blood of the grape," signifies that He who should appear would have blood, though not of the seed of man, but of the power of God. And the first power after God the Father and Lord of all is the Word, who is also the Son; and of Him we will, in what follows, relate how He took flesh and became man. For as man did not make the blood of the vine, but God, so it was hereby intimated that the blood should not be of human seed, but of divine power, as we have said above. And Isaiah, another prophet, foretelling the same things in other words, spoke thus: "A star shall rise out of Jacob, and a flower shall spring from the root of Jesse; and in His arm shall the nations trust."[2] And a star of light has arisen, and a flower has sprung from the root of Jesse—this Christ. For by the power of God He was conceived by a virgin of the seed of Jacob, who was the father of Judah, who, as we have shown, was the father of the Jews; and Jesse was His forefather according to the oracle, and He was the son of Jacob and Judah according to lineal descent.
Chap. xxxiii.—Manner of Christ's birth predicted.
And hear again how Isaiah in express words foretold that He should be born of a virgin; for he spoke thus: "Behold, a virgin shall conceive, and bring forth a son, and they shall say for His name, 'God with us.'"[3] For things which were incredible and seemed impossible with men, these God predicted by the Spirit of prophecy as about to come to pass, in order that, when they came to pass, there might be no unbelief, but faith, because of their prediction. But lest some, not understanding the prophecy now cited, should charge us with the very things we have been laying to the charge of the poets who say that Jupiter went in to women through lust, let us try to explain the words. This, then, "Behold, a
