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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Caesarius of Arles
AD 542
By taking upon himself flesh from a sinful substance while remaining without sin, Christ fulfilled all righteousness and condemned sin in the body. This is proved by his conflict with the spirit in the desert, for the devil is overcome not by sheer divine majesty but by a reminder of the commandment, by fasting and by a legal reply.