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Born again Christans DO NOT SIN!
If you're still sinning, then it's extremely likely that you're NOT born again, and if you're NOT born again, THEN YOU WILL GO TO HELL WHEN YOU DIE...
BORN AGAIN Christians that WILFULLY SIN AFTER THEY HAVE RECEIVED THE KNOWLEDGE OF THE TRUTH WILL STILL GO TO HELL, AND THERE IS NO WAY TO REVERSE THEIR DAMNATION!!
YOU ABSOLUTELY *MUST* STOP SINNING - IT'S A CORE REQUIREMENT OF THE GOSPEL...
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We know that whosoever is born of God sinneth not; but he that is begotten of God keepeth himself, and that wicked one toucheth him not.
1 John 5:18
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Whosoever abideth in him sinneth not: whosoever sinneth hath not seen him, neither known him.
1 John 3:6
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Whosoever is born of God doth not commit sin; for his seed remaineth in him: and he cannot sin, because he is born of God.
1 John 3:9
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Awake to righteousness, and sin not; for some have not the knowledge of God: I speak this to your shame.
1 Corinthians 15:34
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For if we sin wilfully after that we have received the knowledge of the truth, there remaineth no more sacrifice for sins, But a certain fearful looking for of judgment and fiery indignation, which shall devour the adversaries.
Hebrews 10:26-27
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You have not yet learned the difference between being made to be sin-less and being sin-free.
The Sacrificial Blood of Christ makes us to be sin-less before the Father. You have nothing to do with that, except to recieve His Grace and to abide in FAITH by believing it. That's the Faith that God is looking for, that we should TRUST in the work His Son HAS "finished" for us, as well as His Father.
Yes! For Jesus, it was a two way street. The Father needed His Son's Sacrifice as much as we do, otherwise we would NEVER get to know Him, nor Him us.
So then, because of Christ, and faith in Him, we now have Peace with God, and we are no longer under condemnation. John 3:18.
Upon the Day of Jesus' glorious return, and our resurrection unto Christ's likeness of immortality, only then shall He make us to be sin-free.
Until the latter, try not to get callouses on your knees!!
BTW, your reference to wilful sin, in it's context (KJV), is speaking of trampling upon the blood of Christ, calling it to be "an unholy thing", AFTER one has been sanctified by it.
That specific act is the blasphemy against the Holy Spirit. ONLY that sin has never forgiveness. ALL OTHER SIN will be forgiven!
God didn't call us out of the world to be "sin-trackers"!!
So, get off your knees, and start walking in HIS Spirit, and not your own.