Therefore we are buried with him by baptism into death: that just as Christ was raised up from the dead by the glory of the Father, even so we also should walk in newness of life.
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Tertullian of Carthage
AD 220
Every soul, by reason of its birth, has its nature in Adam until it is born again in Christ; moreover, it is unclean as long as it remains without this regeneration, and because it is unclean it is actively sinful and infects even the flesh with its shame, because of their fusion.