יוֹד֣וּךָ יְ֭הוָה כָּל־מַלְכֵי־אָ֑רֶץ כִּ֥י שָׁ֝מְע֗וּ אִמְרֵי־פִֽיךָ׃
All the kings of the earth shall give Thee thanks, O LORD, For they have heard the words of Thy mouth.
Read kabbalistic (mystical) interpretation of Psalms 138:4: and classical mystical sources.