Romans 15:9-12

Verse 9. And that the Gentiles, etc. The benefits of the gospel were not to be confined to the Jews; and as God designed that those benefits should be extended to the Gentiles, so the Jewish converts ought to be willing to admit them, and treat them as brethren. That God did design this, the apostle proceeds to show.

Might glorify God. Might praise, or give thanks to God. This implies that the favour shown to them was a great favour.

For his mercy. Greek, On account of the mercy shown to them.

As it is written. Ps 18:49. The expression there is one of David's. He says that he will praise God for his mercies among the heathen, or when surrounded by the heathen; or that he would confess and acknowledge the mercies of God to him, as we should say, to all the world. The apostle, however, uses it in this sense, that the Gentiles would participate with the Jew in offering praise to God, or that they would be united. This does not appear to have been the original design of David in the psalm, but the words express the idea of the apostle.

And sing, etc. Celebrate thy praise. This supposes that benefits would be conferred on them, for which they would celebrate his goodness.

(m) "For this cause" Ps 18:49
Verse 10. And again, etc. De 32:43. In this place, the nations or Gentiles are called on to rejoice with tile Jews, for the interposition of God in their behalf. The design of the quotation is to show that the Old Testament speaks of the Gentiles as called on to celebrate the praises of God; of course, the apostle infers that they are to be introduced to the same privileges as his people.

(n) "Rejoice, ye Gentiles" De 32:43
Verse 11. And again. Ps 117:1. The object in this quotation is the same as before. The apostle accumulates quotations to show that it was the common language of the Old Testament, and that he was not depending on a single expression for the truth of his doctrine.

All ye Gentiles. In the psalm, "all ye nations; but the original is the same.

And laud him. Praise him. The psalm is directly in point. It is a call on all nations to praise God; the very point in the discussion of the apostle.

(o) "Praise the Lord" Ps 117:1.
Verse 12. Esaias saith. Isa 11:1,10.

There shall be a root. A descendant, or one that should proceed from him when he was dead. When a tree dies, and falls, there may remain a root which shall retain life, and which shall send up a sprout of a similar kind. So Job says, (Job 14:7,) "For there is hope of a tree, if it be cut down, that it will sprout again, and that the tender branch thereof will not cease." So in relation to Jesse. Though he should fall, like an aged tree, yet his name and family should not be extinct. There should be a descendant who should rise, and reign over the Gentiles. The Lord Jesus is thus called also the "root and the offspring of David," Rev 22:16, 5:5.

Of Jesse. The father of David, 1Sam 17:58. The Messiah was thus descended front Jesse.

He that shall rise. That is, as a sprout springs up from a decayed or fallen tree. Jesus thus rose from the family of David, that had fallen into poverty and humble life in the time of Mary.

To reign over the Gentiles. This is quoted from the Lxx. of Isa 11:10. The Hebrew is, "Which shall stand up for an ensign of the people;" that is, a standard to which they shall flock. Either the Septuagint or the Hebrew would express the idea of the apostle. The substantial sense is retained, though it is not literally quoted. The idea of his reigning over the Gentiles is one that is fully expressed in the second psalm.

In him, etc. Hebrew, "To it shall the Gentiles seek." The sense, however, is the same. The design of this quotation is the same as the preceding, to show that it was predicted in the Old Testament that the Gentiles should be made partakers of the privileges of the gospel. The argument of the apostle is, that if this was designed, then converts to Christianity from among the Jews should lay aside their prejudices, and receive them as their brethren, entitled to the same privileges of the gospel as themselves. The fact that the Gentiles would be admitted to these privileges, the apostle had more fully discussed in chapters 10 and 11.

(p) "There shall be" Isa 11:1,10 (q) "of Jesse" Rev 5:5, 22:16
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