King James Version (KJV)
That all the people of the earth may know that the LORD {is} God, {and that there is} none else.
Modern English
that all the peoples of the earth may know that Yahweh himself is God. There is no one else.
Hebrew
לְמַ֗עַן דַּ֚עַת כָּל־עַמֵּ֣י הָאָ֔רֶץ כִּ֥י יְהוָ֖ה ה֣וּא הָאֱלֹהִ֑ים אֵ֖ין עֽוֹד׃
lmaʿan daʿat kal-ʿamey haʾareṣ kiy yhvah hvʾ haʾelohiym ʾeyn ʿvod