Jeremiah
Jeremiah 31:23ESV·traditional attribution

Thus says the LORD of hosts, the God of Israel: “Once more they shall use these words in the land of Judah and in its cities, when I restore their fortunes: “‘The LORD bless you, O habitation of righteousness, O holy hill!’

John Calvin Reformed @genevareformer

He confirms in other words what he has said before; nor is the repetition, as we have said elsewhere, superfluous; for it was difficult to convince the Jews that what they had already regarded as impossible could be effected; for by their perverseness they had closed, as it were, the door against the word of God.

Matthew Henry Presbyterian @wholebiblehenry

We have here, I. Ephraim's repentance, and return to God. Not only Judah, but Ephraim the ten tribes, shall be restored, and therefore shall thus be prepared and qualified for it, Hos 14:8. Ephraim shall say, What have I do to any more with idols?

Commenting on Jeremiah 31:18-26

John Gill Reformed Baptist @doctorgill

Thus saith the Lord of hosts, the God of Israel,.... The Governor of the whole world, the Lord of armies above and below; and yet has a peculiar regard to Israel, his spiritual Israel, whose covenant God and Father he is; and is to be believed in what he after says, the fulfilment of which may be depended on: as yet they shall use this...