Here is Paul talking about his sin nature. How do you relate this to your post.
Romans 7 NIV
14 We know that the law is spiritual; but I am unspiritual, sold as a slave to sin. 15 I do not understand what I do. For what I want to do I do not do, but what I hate I do. 16 And if I do what I do not want to do, I agree that the law is good. 17 As it is, it is no longer I myself who do it, but it is sin living in me. 18 For I know that good itself does not dwell in me, that is, in my sinful nature. For I have the desire to do what is good, but I cannot carry it out. 19 For I do not do the good I want to do, but the evil I do not want to do—this I keep on doing. 20 Now if I do what I do not want to do, it is no longer I who do it, but it is sin living in me that does it. 21 So I find this law at work: Although I want to do good, evil is right there with me. 22 For in my inner being I delight in God’s law; 23 but I see another law at work in me, waging war against the law of my mind and making me a prisoner of the law of sin at work within me. 24 What a wretched man I am! Who will rescue me from this body that is subject to death? 25 Thanks be to God, who delivers me through Jesus Christ our Lord! So then, I myself in my mind am a slave to God’s law, but in my sinful nature a slave to the law of sin.
Romans 7 NIV
14 We know that the law is spiritual; but I am unspiritual, sold as a slave to sin. 15 I do not understand what I do. For what I want to do I do not do, but what I hate I do. 16 And if I do what I do not want to do, I agree that the law is good. 17 As it is, it is no longer I myself who do it, but it is sin living in me. 18 For I know that good itself does not dwell in me, that is, in my sinful nature. For I have the desire to do what is good, but I cannot carry it out. 19 For I do not do the good I want to do, but the evil I do not want to do—this I keep on doing. 20 Now if I do what I do not want to do, it is no longer I who do it, but it is sin living in me that does it. 21 So I find this law at work: Although I want to do good, evil is right there with me. 22 For in my inner being I delight in God’s law; 23 but I see another law at work in me, waging war against the law of my mind and making me a prisoner of the law of sin at work within me. 24 What a wretched man I am! Who will rescue me from this body that is subject to death? 25 Thanks be to God, who delivers me through Jesus Christ our Lord! So then, I myself in my mind am a slave to God’s law, but in my sinful nature a slave to the law of sin.
Indeed, Romans Chapters 7 and 8 go together like a hand in a glove. Romans 7 is talking about the unconverted expereince when someone comes to know God's LAW. God's LAW shows them that they are sinners in need of a Saviour but does not saved them. God's LAW only gives the knowledge of SIN and RIGHTEOUSNESS (Romans 3:20; Ps 119:172) but makes nothing perfect (Heb 7:19).
God's LAW is the schoolmaster, teaching us who we are and who the Saviour is leading the SINNER to the CROSS of CHRIST to behold what manner of LOVE that God bestowed on me a SINNER that we might BEHOLD he who died for us.
FAITH in Gods' promise of FORGIVENESS as we BELIEVE God's WORD gives us the VICTORY to OVERCOME the WORLD in those who lay hold of God's promises. THIS IS ABIDING IN CHRIST and the OPERATION OF GOD to walk IN his SPIRIT of LOVE and LOVE is the FULFILLING of God's LAW in those who BELIEVE.
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WALKING WITHOUT THE SPIRIT IN ROMANS 7
Romans 7 is the KNOWLEDGE OF SIN AND THE LAW OF SIN AND DEATH IN SINFUL human nature whithout GOD. THIS IS REVEALED to the SINNER by God's LAW (10 Commandments) leading the SINNER to the Saviour
Romans 7
7, What shall we say then? Is the law sin? God forbid. No, I had not known sin, but by the law: for I had not known lust, except the law had said, You shall not covet.
8, But sin, taking occasion by the commandment, worked in me all manner of concupiscence. For without the law sin was dead.
9, For I was alive without the law once: but when the commandment came, sin revived, and I died.
10, And the commandment, which was ordained to life, I found to be to death.
11, For sin, taking occasion by the commandment, deceived me, and by it slew me.
v7-11 God's LAW gives the knowledge of SIN to the SINNER and shows him he cannot save himself...
12, Why the law is holy, and the commandment holy, and just, and good.
13, Was then that which is good made death to me? God forbid. But sin, that it might appear sin, working death in me by that which is good; that sin by the commandment might become exceeding sinful.
14, For we know that the law is spiritual: but I am carnal, sold under sin.
15, For that which I do I allow not: for what I would, that do I not; but what I hate, that do I.
16, If then I do that which I would not, I consent to the law that it is good.
17, Now then it is no more I that do it, but sin that dwells in me.
18, For I know that in me (that is, in my flesh,) dwells no good thing: for to will is present with me; but how to perform that which is good I find not.
19, For the good that I would I do not: but the evil which I would not, that I do.
20, Now if I do that I would not, it is no more I that do it, but sin that dwells in me.
Nothing wrong with Gods LAW. It is the revelation of SIN in the sinner that is the problem...
21, I find then a law, that, when I would do good, evil is present with me.
Key scriptures here leading to Romans 8....
22, For I delight in the law of God after the inward man:
Inward man; the mind; SIN starts in the MIND; throughts and feelings
23, But I see another law in my members, warring against the law of my mind, and bringing me into captivity to the law of sin whi ch is in my members.
Sinful nature; law of SIN AND DEATH....
24, O wretched man that I am! who shall deliver me from the body of this death?
Who will save me from my sinful nature?
KEY VERSE...
25, I thank God through Jesus Christ our Lord. So then with the mind I myself serve the law of God; but with the flesh the law of sin.
SIN starts in the MIND (thoughts and feelings; you have heard that it was said do not commit adultery but I say unto you whosever shall look on a woman to lust after her has already committed adutery with her in His mind) WITH THE MIND I MYSELF SERVE THE LAW OF GOD. BUT WITH THE FLESH = SARX = SINFUL HUMAN NATURE WITH PASSIONS AND WEAKNESSES PHYSICALLY AND MORALLY THE LAW OF SIN.
So it is with the MIND that we must battle temptation to SIN through FAITH in GOD'S WORD. IF we do not we will follow the LAW of SIN AND DEATH (SINFUL HUMAN NATURE).
WALKING IN THE SPIRIT IN ROMANS 8
Continuing from Romans 7:25....
1, There is therefore now no condemnation to them which are in Christ Jesus, who walk not after the flesh (carnal sinful mind), but after the Spirit (mind of GOD; GOd's Word).
2, For the law of the Spirit of life in Christ Jesus has made me free from the law of sin and death.
3, 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:
4, That the righteousness of the law might be fulfilled in us, who walk not after the flesh, but after the Spirit.
5, For they that are after the flesh do mind the things of the flesh; but they that are after the Spirit the things of the Spirit.
6 , For to be carnally minded is death; but to be spiritually minded is life and peace.
7, Because the carnal mind is enmity against God: for it is not subject to the law of God, neither indeed can be.
8, So then they that are in the flesh cannot please God.
9, But you are not in the flesh, but in the Spirit, if so be that the Spirit of God dwell in you. Now if any man have not the Spirit of Christ, he is none of his.
10, And if Christ be in you, the body is dead because of sin; but the Spirit is life because of righteousness.
11, But if the Spirit of him that raised up Jesus from the dead dwell in you, he that raised up Christ from the dead shall also quicken your mortal bodies by his Spirit that dwells in you.
12, Therefore, brothers, we are debtors, not to the flesh, to live after the flesh.
13, For if you live after the flesh, you shall die: but if you through the Spirit do mortify the deeds of the body, you shall live.
14, For as many as are led by the Spirit of God, they are the sons of God.
continues through Romans 8......
God's LAW is established in the life of those who BELIEVE and FOLLOW the WORD OF GOD....
Romans 3
31, Do we then make void the law through faith? God forbid: yes, we establish the law.
GOD'S SALVATION is WORKING in those who have FAITH in HIS WORD...
Phii 2
13, For it is God which works in you both to will and to do of his good pleasure.
2 Pet 1
4, Whereby are given to us exceeding great and precious promises: that by these you might be partakers of the divine nature, having escaped the corruption that is in the world through lust.
FAITH IS THE VICTORY THAT OVERCOMES THE WORLD. The GOOD NEW OF THE GOSPEL IS SALVATION FROM SIN. THE FALSE GOSPEL IS SALVATION IN SIN.
Hope this helps...