Psalms 78:68 Kabbalah

וַ֭יִּבְחַר אֶת־שֵׁ֣בֶט יְהוּדָ֑ה אֶֽת־הַ֥ר צִ֝יּ֗וֹן אֲשֶׁ֣ר אָהֵֽב׃

But chose the tribe of Judah, The mount Zion which He loved.

Read kabbalistic (mystical) interpretation of Psalms 78:68: and classical mystical sources.