Romans 15:12, 18

Again Isaiah says, “THERE SHALL BE A ROOT OF JESSE, HE WHO ARISES TO RULE [as King] OVER THE GENTILES, IN HIM SHALL THE GENTILES HOPE.” [Is 11:1, 10; Rev 5:5; 22:16]

For I will not [even] presume to speak of anything except what Christ has done through me [as an instrument in His hands], resulting in the obedience of the Gentiles [to the gospel], by word and deed