Romans 15:15-18

15Still, on some points I have written to you very boldly and without reservation to remind you [about them] again, because of the grace that was given to me from God,

16to be a minister of Christ Jesus to the Gentiles. I minister as a priest the gospel of God, in order that my offering of the Gentiles may become acceptable [to Him], sanctified [made holy and set apart for His purpose] by the Holy Spirit.

17In Christ Jesus, then, I have found [legitimate] reason for boasting in things related [to my service] to God.

18For 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,