Zechariah 8:20 Kabbalah

כֹּ֥ה אָמַ֖ר יְהוָ֣ה צְבָא֑וֹת עֹ֚ד אֲשֶׁ֣ר יָבֹ֣אוּ עַמִּ֔ים וְיֹשְׁבֵ֖י עָרִ֥ים רַבּֽוֹת׃

Thus saith the LORD of hosts: It shall yet come to pass, that there shall come peoples, and the inhabitants of many cities;

Read kabbalistic (mystical) interpretation of Zechariah 8:20: and classical mystical sources.