declare the generation of Him who should be [born] from the Virgin, as Elisabeth testified when filled with the Holy Ghost, saying to Mary, "Blessed art thou among women, and blessed is the fruit of thy belly;"[1] the Holy Ghost pointing out to those willing to hear, that the promise which God had made, of raising up a King from the fruit of [David's] belly, was fulfilled in the birth from the Virgin, that is, from Mary. Let those, therefore, who alter the passage of Isaiah thus, "Behold, a young woman shall conceive," and who will have Him to be Joseph's son, also alter the form of the promise which was given to David, when God promised him to raise up, from the fruit of his belly, the horn of Christ the King. But they did not understand, otherwise they would have presumed to alter even this passage also.
6. But what Isaiah said, "From the height above, or from the depth beneath,"[2] was meant to indicate, that "He who descended was the same also who ascended."[3] But in this that he said, "The Lord Himself shall give you a sign," he declared an unlooked-for thing with regard to His generation, which could have been accomplished in no other way than by God the Lord of all, God Himself giving a sign in the house of David. For what great thing or what sign should have been in this, that a young woman conceiving by a man should bring forth,—a thing which happens to all women that produce offspring? But since an unlooked-for salvation was to be provided for men through the help of God, so also was the unlooked-for birth from a virgin accomplished; God giving this sign, but man not working it out.
7. On this account also, Daniel,[4] foreseeing His advent, said that a stone, cut out without hands, came into this world. For this is what "without hands" means, that His coming into this world was not by the operation of human hands, that is, of those men who are accustomed to stonecutting; that is, Joseph taking no part with regard to it, but Mary alone co-operating with the pre-arranged plan. For this stone from the earth derives existence from both the