NET
18 For I will not dare to speak of anything except what Christ has accomplished through me in order to bring about the obedience of the Gentiles, by word and deed,
Darby
18 For I will not dare to speak anything of the things which Christ has not wrought by me, for [the] obedience of [the] nations, by word and deed,
KJV
18 For I will not dare to speak of any of those things which Christ hath not wrought by me, to make the Gentiles obedient, by word and deed,