Jeremiah 8:21 Midrash

עַל־שֶׁ֥בֶר בַּת־עַמִּ֖י הָשְׁבָּ֑רְתִּי קָדַ֕רְתִּי שַׁמָּ֖ה הֶחֱזִקָֽתְנִי׃

For the hurt of the daughter of my people am I seized with anguish; I am black, appalment hath taken hold on me.

Read midrashic interpretation of Jeremiah 8:21: and classical rabbinic exegesis.