Isaiah 43:6 Kabbalah

אֹמַ֤ר לַצָּפוֹן֙ תֵּ֔נִי וּלְתֵימָ֖ן אַל־תִּכְלָ֑אִי הָבִ֤יאִי בָנַי֙ מֵרָח֔וֹק וּבְנוֹתַ֖י מִקְצֵ֥ה הָאָֽרֶץ׃

I will say to the north: ‘Give up’, And to the south: ‘Keep not back, bring My sons from far, and My daughters from the end of the earth;

Read kabbalistic (mystical) interpretation of Isaiah 43:6: and classical mystical sources.