“Is there some sin you will commit in the future (starting now until you die) that could cancel your having been born again? “
YES!!!!!!!
Hebrews 10:26 For if we sin deliberately after receiving the knowledge of the truth, there no longer remains a sacrifice for sins,
I Cor 9:27 “but I pommel my body and subdue it, lest after preaching to others I myself should be disqualified.”
I Cor 10:12 Therefore let any one who thinks that he stands take heed lest he fall.
Heb 1026 For if we sin wilfully after that we have received the knowledge of the truth, there remaineth no more sacrifice for sins,
27 But a certain fearful looking for of judgment and fiery indignation, which shall devour the adversaries.
28 He that despised Moses' law died without mercy under two or three witnesses:
29 Of how much sorer punishment, suppose ye, shall he be thought worthy, who hath trodden under foot the Son of God, and hath counted the blood of the covenant, wherewith he was sanctified, an unholy thing, and hath done despite unto the Spirit of grace?
30 For we know him that hath said, Vengeance belongeth unto me, I will recompense, saith the Lord. And again, The Lord shall judge his people. [[ Deut 32:35,36 ]]
You might notice immediately that Paul refers to one who has received THE KNOWLEDGE of the Truth. Paul does not refer to one who has received The Earnest of the inheritance, the Holy Spirit, merely the knowledge of that truth that God wipes the soul clean and then comes to be there, indwelling the believer.
In verse twenty-nine, Paul then applies the lesson of the sacrifice done once for all Israel to the Supreme sacrifice of Christ as The Lamb of God, sacrificed once and not to be repeated. Paul is actually pointing to the assurance that such an sacrifice is far superior to the once each year of Hebrew tradition! And he goes on to assert that if an man is sanctified by such a sacrifice and then despises that sanctification, there would not be a repeat of the sacrifice and therefore damnation is absolutely guaranteed.
Now, put that lesson from Paul beside what he also taught about a Grace where God is faithful and just to forgive us our sins, AFTER WE HAVE RECEIVED THE HOLY SPIRIT GIFT of God indwelling us. What Paul is emphasizing for the Hebrews confronting the reality of Messiah sacrificed as the Lamb of God Who takes away the sin of the world is the fact that no repetition is required nor any repetition of the sacrifice possible, for Jesus died once for all.
If you have read your Bible for content you will recall that Paul on many occasions wrote that therefore there is now no condemnation to those who are in Christ Jesus. That no condemnation is absolute, by the Promise of God being an absolute guarantee, and believers are not appointed to wrath but to salvation from the hour of the testing to come. There is no equivocation in those many passages where Paul cites the absoluteness of God's Promise to save. There is no thing that a Sanctified believer can commit that separates him from the Love and therefore the Promise of God in you, the Hope of Glory. [[ Hebrews 7:26 ; Romans 8:35 and 39]]
Do you believe God is able to prevent your destruction, spiritually? ... John 10:28 And I give unto them eternal life; and they shall never perish, neither shall any man pluck them out of my hand. John 10:29 My Father, which gave them me, is greater than all; and no man is able to pluck them out of my Father's hand.
Sanctified means washed clean and being indwelt in the Age of The Church. In the age of the law of Moses and the once per year sacrifice by which faith in that sacrifice cleansed, sanctification was done over and over. Paul's message is 'Jesus died once for the all and there is now no other sacrifice to come so this cleansing is absolute such that (see the two verse above) no man nor any enemy can remove one held by those two hands of God. And that includes you, you are not more powerful than God's Grace, so you cannot, once sanctified, turn on that indwelling and wriggle out of His Hands. When God says NO MAN that includes you, too.
Hebrews 6:4-6For it is impossible, in the case of those who have once been enlightened, who have tasted the heavenly gift, and have shared in the Holy Spirit, and have tasted the goodness of the word of God and the powers of the age to come, and then have fallen away, to restore them again to repentance, since they are crucifying once again the Son of God to their own harm and holding him up to contempt.
Are you sure you want to go there?
Because you can then explain to us how *fallen away Catholics* can *cross the Tiber*.
If you're going to say that one sin cancels the born again, then this verse says it's impossible to do it again.
And your verses have nothing to do with the salvation of the believer.
Sure we should take heed so that we don't fall, but falling doesn't mean losing our salvation. It just means stumbling and sinning, which EVERYONE does, having been born again notwithstanding.
Anyone who is truly saved is securely saved. He is born into the family of God and God does NOT disown him for sinning.
It's not on again off again salvation based on our performance. It's a Father's heart and a Father's love that understands that we are weak and continues to pour out His grace and mercy and forgiveness even in the face of occasional defiant rebellion.