Rom 15:9-12

9and in order that the Gentiles might glorify God for his mercy. As it is written, “Therefore I will confess you among the Gentiles, and sing praises to your name”;10and again he says, “Rejoice, O Gentiles, with his people”;11and again, “Praise the Lord, all you Gentiles, and let all the peoples praise him”;12and again Isaiah says, “The root of Jesse shall come, the one who rises to rule the Gentiles; in him the Gentiles shall hope.”