Galatians 2:20

I have been crucified with Christ; and it is no longer I that live, but Christ liveth in me: and that life which I now live in the flesh I live in faith, the faith which is in the Son of God, who loved me, and gave himself up for me. [If, as I say, I follow your course, Peter, and abandon and seek to destroy the law because it does not justify me, and, failing to be justified anywhere else, I return to and again build up the law, I prove myself to be a hopeless, unjustified sinner. But I am no such self-convicted transgressor; for I, following my own course, was, by the agency of the law acting as my schoolmaster (Galatians 3:24), led to die to the law, thus utterly abandoning it, that I might live unto God (Romans 7:1-6). And seeking refuge from the law, I have identified myself with Christ, and in him I have died to the law, for I have been crucified with Christ; and thus it is no longer I, Paul, the law-condemned Jew, that lives, but Christ, the righteous, the justified, liveth in me. And that life I now live in the flesh is thus merged in and identified with Christ by faith--faith in the Son of God, who loved me and gave himself up for me, dying to fulfill the sentence of the law in my stead.]