“We know that the Law is spiritual; but in my natural-carnal self I am a creature of the flesh, having been sold into slavery under the control of sin” (Romans 7:14)
“I am baffled, bewildered, I do not understand my own actions. I do not practice or accomplish what I wish. Instead, I do the very thing that I loathe—which my moral instinct condemns” (Romans 7:15)
“Now if I acknowledge and agree that the Law is good and that I take sides with it, yet I habitually do what is contrary to my desire, that means that I am a failure, right?” (Romans 7:16)
“You have to realize, it is no longer you who do the deeds, but the sin principle which is at home in you and has possession of you” (Romans 7:17)
He is not talking about Flip Wilson’s, “The Devil made me do it . . .” No . . .
“I know that nothing good dwells within my flesh. I can will what is right, but I cannot perform it. I have the intention and urge to do what is right, but I do not have the power to carry it out. For I fail to practice the good deeds I desire to do, but the evil deeds that I do not desire to do are what I am always doing” (Romans 7:18-19)
Realize now, if you do what you do not want to do, it is no longer you doing it, but the sin principal which dwells within you—fixed and operating in your soul.
“So I find it to be a rule of action of my being that when I want to do what is right and good, evil is ever present with me and I am subject to its insistent demands. For I endorse and delight in the Law of God in my inmost self—with my new nature. But I discern in my bodily members—in the sensitive appetites and wills of the flesh—a different law—a different rule of action—at war against the law of my mind and making me a prisoner to the law of sin that dwells in the sensitive appetites and wills of the flesh” (Romans 7:20-23)
If interested, you can download the entire study of The Letter to Christians at Rome