רָ֤ץ לִקְרַאת־רָץ֙ יָר֔וּץ וּמַגִּ֖יד לִקְרַ֣את מַגִּ֑יד לְהַגִּיד֙ לְמֶ֣לֶךְ בָּבֶ֔ל כִּֽי־נִלְכְּדָ֥ה עִיר֖וֹ מִקָּצֶֽה׃
One post runneth to meet another, And one messenger to meet an other, To tell the king of Babylon That his city is taken on every quarter;
Read midrashic interpretation of Jeremiah 51:31: and classical rabbinic exegesis.