Jeremiah
Jeremiah 6:30ESV·traditional attribution

Rejected silver they are called, for the LORD has rejected them.”

John Calvin Reformed @genevareformer

Jeremiah concludes his subject by saying, — that if the Jews had been cast a hundred times into the furnace, they would not be improved, as they would never become softened on account of their hopeless obstinacy. He uses the word silver, by way of concession; for they were not worthy of that name, and we have already seen that there was nothing soft or tender in them.

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

Reprobate silver shall men call them,.... Or, "call ye them" (i), as the Targum; so the Septuagint, Vulgate Latin, and Arabic versions; by whom are meant the Jews, who thought themselves of some account, as silver; being the seed of Abraham, and having the law, the covenant and promises, and service of God; when those that tried them, as the prophets, found them to be...