Therefore I have reason to glory in Christ Jesus in the things which pertain to God.
Romans 15:17
Surrounding context
15:16 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.
15:17 Therefore I have reason to glory in Christ Jesus in the things which pertain to God.
15:18 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--