לָכֵ֗ן כֹּֽה־אָמַ֞ר יְהוָ֤ה צְבָאוֹת֙ אֱלֹהֵ֣י יִשְׂרָאֵ֔ל הִנְנִ֥י פֹקֵ֛ד אֶל־מֶ֥לֶךְ בָּבֶ֖ל וְאֶל־אַרְצ֑וֹ כַּאֲשֶׁ֥ר פָּקַ֖דְתִּי אֶל־מֶ֥לֶךְ אַשּֽׁוּר׃
Therefore thus saith the LORD of hosts, the God of Israel: Behold, I will punish the king of Babylon and his land, As I have punished the king of Assyria.
Read halakhic rulings (Jewish law) on Jeremiah 50:18: and classical halakhic sources.