For what the law could not do, in that it was weak through the flesh, God sending his own Son in the likeness of sinful flesh, and for sin, condemned sin in the flesh:
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Cyril of Alexandria
AD 444
God forbid that Paul should ever say that Christ’s body was made of sinful flesh! Rather, it was in the likeness of sinful flesh, for although it was similar to our bodies it can scarcely be compared with them in the sense that it could not be ill with carnal uncleanness. Even from the womb Christ’s body was a holy temple, and no one is afraid to state that in so far as it was flesh, when it attained the age of reason it behaved in the way flesh normally does. Nevertheless, because the Word which sanctifies all things dwelt in his body, the potential for sin was condemned so that the fruit of this blessing might come across into us as well. For we have been transformed into his likeness, not only in spirit but in body also. When Christ dwells in us by the Holy Spirit and the sacramental blessing, then the law of sin is really condemned in us. So it is truly said that what was impossible for the law, which had been weakened by the flesh, became possible through Christ, who condemned and destroyed sin in the flesh so that the righteousness of the law might be fulfilled in us. .