Psalms 72:1

"O God, Your judgment to the King give Thou, and Your justice to the King's Son" [Psalm 72:1]. The Lord Himself in the Gospel says, "The Father judges not any one, but all judgment He has given to the Son:" [John 5:22] this is then, "O God, Your judgment to the King give Thou." He that is King is also the Son of the King: because God the Father also is certainly King. Thus it has been written, that the King made a marriage for His Son. [Matthew 22:2] But after the manner of Scripture the same thing is repeated. For that which he has said in, "Your judgment;" the same he has otherwise expressed in, "Your justice:" and that which he has said in, "the King," the same he has otherwise expressed in, "to the King's Son."...But these repetitions do much commend the divine sayings, whether the same words, or whether in other words the same sense be repeated: and they are mostly found in the Psalms, and in the kind of discourse whereby the mind's affection is to be awakened.

Further, to persuade you that you have not understood anything of the Scriptures, I will remind you of another psalm, dictated to David by the Holy Spirit, which you say refers to Solomon, who was also your king. But it refers also to our Christ. But you deceive yourselves by the ambiguous forms of speech. For where it is said, 'The law of the Lord is perfect,' you do not understand it of the law which was to be after Moses, but of the law which was given by Moses, although God declared that He would establish a new law and a new covenant. And where it has been said, 'O God, give Thy judgment to the king,' since Solomon was king, you say that the Psalm refers to him, although the words of the Psalm expressly proclaim that reference is made to the everlasting King, i.e., to Christ. For Christ is King, and Priest, and God, and Lord, and angel, and man, and captain, and stone, and a Son born, and first made subject to suffering, then returning to heaven, and again coming with glory, and He is preached as having the everlasting kingdom: so I prove from all the Scriptures.

As this psalm is addressed to Solomon, the first verse of the psalm must be referred to him, and all the rest to the son of Solomon, not Rehoboam, who was king of Israel after him, but him that was of his seed according to the flesh, the Christ of God; for all who are acquainted with the holy Scriptures will agree that it is impossible to connect what is said in this psalm with Solomon or his successors, because of what they reveal about Christ. No, how is it possible to apply to Solomon, or his son Rehoboam, the burden of the whole psalm?—for instance, "He shall rule from sea to sea, and from the river to the ends of the earth." And "He shall remain as long as the sun, and before the moon for ever," and other similar statements. Yet the words at the beginning of the psalm are at once seen to apply to Solomon, which say, "O God, you will give judgment to the king," And the addition, "And your justice to the king's son," to the Son of Solomon, not his first-born who succeeded him in the kingdom (for he only ruled the Jewish nation seventeen years, being a wicked king), nor any of the successors of Rehoboam, but only to one of the seed of David, who could thus be called the son both of David and Solomon. And this is our Lord and Savior Jesus Christ. For his kingdom and its throne will stand as long as the sun. And he alone of people, as the Word of God, existed before the moon and the creation of the world, and he alone came down like dew from heaven on all the earth; and it was said in our quotation a little above, that he had risen on all people and that his justice would remain even until the consummation of life, which is called the removal of the moon. And our Savior's power is supreme from the eastern sea to the west, beginning its activity at the river, which is either the sacrament of baptism, or from Jordan, where he first appeared to benefit humankind. […]

Give the King thy judgments, O God,.... A prayer of David, or of the church he represents, to God the Father concerning Christ; for he is "the King" meant; which is the sense of the old Jewish synagogue: the Targum is, "give the constitutions of thy judgments to the King Messiah;'' and so their Midrash (m) interprets it.

Judgments - He saith judgments in the plural number, because though the office of judging and ruling was but one, yet there were divers parts and branches, of it; in all which he begs that Solomon may be directed to do as God would have him to do.