כֹּ֣ה ׀ אָמַ֣ר יְהוָ֗ה אַל־תַּשִּׁ֤אוּ נַפְשֹֽׁתֵיכֶם֙ לֵאמֹ֔ר הָלֹ֛ךְ יֵלְכ֥וּ מֵעָלֵ֖ינוּ הַכַּשְׂדִּ֑ים כִּי־לֹ֖א יֵלֵֽכוּ׃
Thus saith the LORD: Deceive not yourselves, saying: The Chaldeans shall surely depart from us; for they shall not depart.
Read midrashic interpretation of Jeremiah 37:9: and classical rabbinic exegesis.