Jeremiah 30:2,3 - Joseph Benson’s Commentary on the Old and New Testaments

Thus speaketh the Lord, Write thee all the words that I have spoken, &c. The following words contain a promise of the restoration of God's people. These God commands to be committed to writing for the use of posterity, to be a support to the Jews, an encouragement to them to trust in God, and a proof of his prescience and overruling providence when the event foretold should be brought about. I will bring again the captivity of my people Israel and Judah The people that returned from Babylon were only, or at least chiefly, the people of Judah, who had been carried away captive by Nebuchadnezzar; but here it is foretold, that not the captivity of Judah only should be restored, but that of Israel also, or of those ten tribes that were carried away before by Shalmaneser, king of Assyria; and who still remain in their several dispersions, having never returned, at least in a national capacity; but the terms of this prophecy entitle us to expect, not an obscure and partial, but a complete and universal, restoration, when God will manifest himself, as formerly, the God and patron of all the families of Israel, not of a few only. The reunion also of Judah and Israel, after their restoration, seems to be here clearly foretold.