Jeremiah 6:26-27

26So I said, “Oh, my dear people, put on sackcloth and roll in ashes. Mourn with painful sobs as though you had lost your only child. For any moment now that destructive army will come against us.”

27The Lord said to me, “I have made you like a metal assayer to test my people like ore. You are to observe them and evaluate how they behave.”