Jeremiah
Jeremiah 6:18BSB·traditional attribution

Therefore hear, O nations, and learn, O congregations, what will happen to them.

John Calvin Reformed @genevareformer

He turns now to address the nations, which had never heard anything of true religion. But the design of the apostrophe was, to make the Jews ashamed of their insensibility and deafness, for more attention and understanding were found among heathen nations.

Matthew Henry Presbyterian @wholebiblehenry

Here, I. God appeals to all the neighbours, nay, to the whole world, concerning the equity of his proceedings against Judah and Jerusalem (Jer 6:18, Jer 6:19): "Hear, you nations, and know particularly, O congregation of the mighty, the great men of the nations, that take cognizance of the affairs of states about you and make remarks upon them.

Commenting on Jeremiah 6:18-30

John Gill Reformed Baptist @doctorgill

Therefore hear, ye nations,.... Since the Jews refused to hearken to the word of the Lord, the Gentiles are called upon to hear it, as in Act 13:45, this is a rebuke to the Jews, that the Gentiles would hear, when they would not: and know, O congregation; either of Israel, as the Targum and Kimchi explain it; or of the nations of the world...