לְמַ֗עַן דַּ֚עַת כָּל־עַמֵּ֣י הָאָ֔רֶץ כִּ֥י יְהוָ֖ה ה֣וּא הָאֱלֹהִ֑ים אֵ֖ין עֽוֹד׃
that all the peoples of the earth may know that the LORD, He is God; there is none else.
Read kabbalistic (mystical) interpretation of I Kings 8:60: and classical mystical sources.