Jeremiah
Jeremiah 9:7BSB·traditional attribution

Therefore this is what the LORD of Hosts says: “Behold, I will refine them and test them, for what else can I do because of the daughter of My people?

John Calvin Reformed @genevareformer

Jeremiah, speaking in God’s name, concludes that the chastisement, of which he had spoken, was necessary; And what I have already said appears more clearly from this verse, — that he brings to light their sins, that they might know that they could not escape God’s hand, who is a just avenger of wickedness; for they had extremely provoked him by their petulance and obstinacy.

Matthew Henry Presbyterian @wholebiblehenry

The prophet, being commissioned both to foretel the destruction coming upon Judah and Jerusalem and to point out the sin for which that destruction was brought upon them, here, as elsewhere, speaks of both very feelingly: what he said of both came from the heart, and therefore one would have thought it would reach to the heart. I.

Commenting on Jeremiah 9:1-11

John Gill Reformed Baptist @doctorgill

Therefore thus saith the Lord of hosts,.... Because of this deceit and hypocrisy, and lying: behold, I will melt them, and try them: as the refiner does his gold and silver, by putting them into the fire of afflictions, and thereby remove their dross and corruption from them.