Zephaniah 3:9 in the King James Version
For then will I turn to the people a pure language, that they may all call upon the name of the LORD, to serve him with one consent.
Context
8 “Therefore wait for me”, says the LORD, “until the day that I rise up to the prey, for my determination is to gather the nations, that I may assemble the kingdoms to pour on them my indignation, even all my fierce anger, for all the earth will be devoured with the fire of my jealousy.
9 For then I will purify the lips of the peoples, that they may all call on the LORD’s name, to serve him shoulder to shoulder.
10 From beyond the rivers of Cush, my worshipers, even the daughter of my dispersed people, will bring my offering.