יִשְׂמְח֤וּ הַשָּׁמַ֙יִם֙ וְתָגֵ֣ל הָאָ֔רֶץ וְיֹאמְר֥וּ בַגּוֹיִ֖ם יְהוָ֥ה מָלָֽךְ׃
Let the heavens be glad, and let the earth rejoice; And let them say among the nations: ‘The LORD reigneth.’
Read kabbalistic (mystical) interpretation of I Chronicles 16:31: and classical mystical sources.