The only time believers could lose salvation was while the law remained until AD70 because they had to follow Jesus in obedience to the commandments of fulfilling the law.
But today believers cannot lose salvation because the law does not exist and we are not called to follow Jesus but simply rest in His finished work.
Paul clearly warned believers in his life-time that they could lose salvation.
Romans 8 “12 Therefore, brothers and sisters, we have an obligation—but it is not to the flesh, to live according to it. 13 For if you live according to the flesh, you will die; but if by the Spirit you put to death the misdeeds of the body, you will live.”
Note how the choice is life and death. This is about salvation.
Paul made the same statement here:
Galatians 6 “7 Do not be deceived: God cannot be mocked. A man reaps what he sows. 8 Whoever sows to please their flesh, from the flesh will reap destruction; whoever sows to please the Spirit, from the Spirit will reap eternal life. 9 Let us not become weary in doing good, for at the proper time we will reap a harvest if we do not give up. “
The choice was “eternal life” or “destruction”. This is clearly a salvation passage for those people.
Clearly the believers in those days, were warned not keep on sinning otherwise they would be destroyed.
They had to follow Jesus to reap the harvest of eternal life.
Why did Paul make such a statement?
It’s because the believers were commanded to FULFILL the LAW by following Jesus.
Galatians 5 “13 You, my brothers and sisters, were called to be free. But do not use your freedom to indulge the flesh; rather, serve one another humbly in love. 14 For the entire law is fulfilled in keeping this one command: “Love your neighbor as yourself.” 15 If you bite and devour each other, watch out or you will be destroyed by each other.”
Romans 13 “8 Let no debt remain outstanding, except the continuing debt to love one another, for whoever loves others has fulfilled the law. …. 12 The night is nearly over; the day is almost here. So let us put aside the deeds of darkness and put on the armor of light. 13 Let us behave decently, as in the daytime, not in carousing and drunkenness, not in sexual immorality and debauchery, not in dissension and jealousy. 14 Rather, clothe yourselves with the Lord Jesus Christ, and do not think about how to gratify the desires of the flesh.”
This is why you will see passages in the Bible about judgment of works because the Law still existed in their lifetime.
They were living in the LAST DAYS of the Law.
They were transitioning from the Old Covenant to the New Covenant.
This is why they still had to fulfill the law in following Jesus.
Hebrews 1 ” In the past God spoke to our ancestors through the prophets at many times and in various ways, 2 but in these last days he has spoken to us by his Son”
Hebrews 8:13 “By calling this covenant “new,” he has made the first one obsolete; and what is obsolete and outdated will soon disappear.”
In that last generation, they had two commands:
-Believe in Jesus
-Follow Jesus in loving one another to fulfill the law.
Their faith was tested, their works were judged (this is why believers fell dead in the church like Ananias/Sapphira, and people died when they abused the Lord’s supper)
Today there is no Law. It does not even exist.
This is why nobody is falling dead in churches today.
The Law disappeared when Jerusalem was destroyed in AD70, 40 years (one generation) after the cross.
Today, there is no commandment to follow Jesus or fulfill the Law.
THIS is WHY the scriptures ENDED in the 1st Century.
This is why there are no scriptures being sent to us ever since the Law ended.
The entire fulfillment of the scriptures is the person of Jesus.
Today we are saved by faith in Jesus.
There are no commandments for works.
There is no command to love one another to fulfill the law because the law does not exist.
There is no judgment of works.
Only grace remains.
We are saved by faith through grace in Christ.
It is God who gives us the gift of faith.
There is no Law, and therefore no trials of faith, no judgment of works, and we cannot lose salvation.