כִּי֩ בָ֨א עָלֶ֤יהָ עַל־בָּבֶל֙ שׁוֹדֵ֔ד וְנִלְכְּדוּ֙ גִּבּוֹרֶ֔יהָ חִתְּתָ֖ה קַשְּׁתוֹתָ֑ם כִּ֣י אֵ֧ל גְּמֻל֛וֹת יְהוָ֖ה שַׁלֵּ֥ם יְשַׁלֵּֽם׃
For the spoiler is come upon her, even upon Babylon, and her mighty men are taken, their bows are shattered; for the LORD is a God of recompenses, He will surely requite.
Read kabbalistic (mystical) interpretation of Jeremiah 51:56: and classical mystical sources.