Romans 15:10-12

10Again, it says, “Rejoice, you Gentiles, with his people.” Deut. 32:43

11And again, “Praise the Lord, all you Gentiles; let all the peoples extol him.” Psalm 117:1

12And again, Isaiah says, “The Root of Jesse will spring up, one who will arise to rule over the nations; in him the Gentiles will hope.” Isaiah 11:10 (see Septuagint)