Now if I do that which I would not, it is no more I that do it, but sin that dwells in me.
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Is the sinner compelled to sin by a power outside himself? Not at all. For it was by his own fault that these evil things began, for whoever binds himself to sin voluntarily is ruled by its law. Sin persuades him first, and when it has conquered him it takes control. Commentary on Paul’s Epistles.