לֹֽא־תְתַעֵ֣ב אֲדֹמִ֔י כִּ֥י אָחִ֖יךָ ה֑וּא (ס) לֹא־תְתַעֵ֣ב מִצְרִ֔י כִּי־גֵ֖ר הָיִ֥יתָ בְאַרְצֽוֹ׃
Thou shalt not abhor an Edomite, for he is thy brother; thou shalt not abhor an Egyptian, because thou wast a stranger in his land.
Read kabbalistic (mystical) interpretation of Deuteronomy 23:8: and classical mystical sources.