Jeremiah
Jeremiah 6:10ESV·traditional attribution

To whom shall I speak and give warning, that they may hear? Behold, their ears are uncircumcised, they cannot listen; behold, the word of the LORD is to them an object of scorn; they take no pleasure in it.

John Calvin Reformed @genevareformer

The Prophet here shews there was no reason for him to labor any longer in trying to reform the people, for he spoke to the deaf. He had said before, according to our lecture yesterday, that God was still ready to be reconciled to the Jews, if they repented; but now, referring to himself, he says that his words were wholly lost.

Matthew Henry Presbyterian @wholebiblehenry

The heads of this paragraph are the very same with those of the last; for precept must be upon precept and line upon line. I. The ruin of Judah and Jerusalem is here threatened. We had before the haste which the Chaldea army made to the war (Jer 6:4, Jer 6:5); now here we have the havoc made by the war. How lamentable are the desolations here described!

Commenting on Jeremiah 6:9-17

John Gill Reformed Baptist @doctorgill

To whom shall I speak, and give warning, that they may hear?.... These are the words of the prophet, despairing of any success by his ministry; suggesting that the people were so universally depraved, that there were none that would hear him; that speaking to them was only beating the air, and that all expostulations, warnings, remonstrances, and testimonies, would signify nothing: behold, their ear...