Romans 15:16-20

that I might be a minister of Jesus Christ to the Gentiles, ministering the gospel of God, that the offering of the Gentiles might be acceptable, sanctified by the Holy Spirit. Therefore I have reason to glory in Christ Jesus in the things which pertain to God. For I will not dare to speak of any of those things which Christ has not accomplished through me, in word and deed, to make the Gentiles obedient— in mighty signs and wonders, by the power of the Spirit of God, so that from Jerusalem and round about to Illyricum I have fully preached the gospel of Christ. And so I have made it my aim to preach the gospel, not where Christ was named, lest I should build on another man’s foundation