גָּ֘ד֤וֹל יְהוָ֣ה וּמְהֻלָּ֣ל מְאֹ֑ד בְּעִ֥יר אֱ֝לֹהֵ֗ינוּ הַר־קָדְשֽׁוֹ׃
Great is the LORD, and highly to be praised, In the city of our God, His holy mountain,
Read kabbalistic (mystical) interpretation of Psalms 48:2: and classical mystical sources.