Psalms 72:8

"And He shall be Lord from sea even unto sea, and from the river even unto the ends of the round world" [Psalm 72:8]: He to wit concerning whom he had said, "There shall arise in His days justice and abundance of peace, until the moon be exalted." If the Church here is properly signified under the term moon, in continuation he showed how widely that same Church He was going to spread abroad, when He added, "and He shall be Lord from sea even unto sea." For the land is encircled by a great sea which is called the Ocean: from which there flows in some small part in the midst of the lands, and makes those seas known to us, which are frequented by ships. Again, in "from sea even unto sea" He has said, that from any one end of the earth even unto any other end, He would be Lord, whose name and power in the whole world were to be preached and to prevail exceedingly. To which, that there might not be understood in any other manner, "from sea even unto sea:" He immediately added, "and from the river even unto the ends of the round world." Therefore that which He says in "even unto the ends of the round world," the same He had said before in "from sea even unto sea." But in that which now He says, "from the river," He has evidently expressed that He willed Christ to publish at length His power from that place from whence also He began to choose His disciples, to wit from the river Jordan, where upon the Lord, on His baptism, when the Holy Ghost descended, there sounded a voice from Heaven, "This is My beloved Son." [Matthew 3:17] From this place then His doctrine and the authority of the heavenly ministry setting out, is enlarged even unto the ends of the round world, when there is preached the Gospel of the kingdom in the whole world, for a testimony unto all nations: and then shall come the end. [Matthew 24:14]

Indeed, even in Solomon there appeared some image of the future event, in that he built the temple, and had peace according to his name (for Solomon means "pacific"), and in the beginning of his reign was wonderfully praiseworthy; but while, as a shadow of him that should come, he foreshowed Christ our Lord, he did not also in his own person resemble him. Whence some things concerning him are so written as if they were prophesied of himself, while the Holy Scripture, prophesying even by events, somehow delineates in him the figure of things to come. For, besides the books of divine history, in which his reign is narrated, the 72nd Psalm (LXX) also is inscribed in the title with his name, in which so many things are said which cannot at all apply to him, but which apply to the Lord Christ with such evident fitness as makes it quite apparent that in the one the figure is in some way shadowed forth, but in the other the truth itself is presented. For it is known within what bounds the kingdom of Solomon was enclosed; and yet in that psalm, not to speak of other things, we read, "He shall have dominion from sea even to sea, and from the river to the ends of the earth," which we see fulfilled in Christ. Truly he took the beginning of his reigning from the river where John baptized; for, when pointed out by him, he began to be acknowledged by the disciples, who called him not only Master, but also Lord.