דִּבֶּ֨ר יְהוָ֤ה עֲלֵיכֶם֙ שְׁאֵרִ֣ית יְהוּדָ֔ה אַל־תָּבֹ֖אוּ מִצְרָ֑יִם יָדֹ֙עַ֙ תֵּֽדְע֔וּ כִּי־הַעִידֹ֥תִי בָכֶ֖ם הַיּֽוֹם׃
The LORD hath spoken concerning you, O remnant of Judah: Go ye not into Egypt; know certainly that I have forewarned you this day.
Read Midrashic interpretations of Jeremiah 42:19: rabbinic exegesis from Bereshit Rabbah, Shemot Rabbah and classical Midrash sources, free.