הַעַל־אֵ֥לֶּה לֹֽא־אֶפְקָד־בָּ֖ם נְאֻם־יְהוָ֑ה אִ֚ם בְּג֣וֹי אֲשֶׁר־כָּזֶ֔ה לֹ֥א תִתְנַקֵּ֖ם נַפְשִֽׁי׃ (ס)
Shall I not punish them for these things? Saith the LORD; Shall not My soul be avenged On such a nation as this?
Read halakhic rulings (Jewish law) on Jeremiah 9:8: and classical halakhic sources.