I have therefore that of which I may boast through Jesus Christ in those things which pertain to God.
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Ambrosiaster
AD 400
Believing and serving Christ Jesus with a pure conscience, Paul has made himself worthy in the sight of God the Father, to the point that he can say that there is nothing which Christ has not done through him for the encouragement of the Gentiles, by using him to perform signs and wonders that their power might support the preaching of the gospel. Commentary on Paul’s Epistles.