In Luke 3:7 the multitude came to Him to be baptized, and He called them vipers because they were not doing works worthy of their repentance. He told them to first bring forth fruits worthy of repentance to prove their faith in Him.
Fruits worthy of repentance is not belief in Jesus, as your belief comes before repentance of sins.
Your faith/belief comes from hearing the word, and then in trusting what it says brings you to repent of your sins. Then you show that your repentance was true by your actions in your walk in the faith. If you continue to do that same sin over and over and over again, and make no attempt to turn and stop doing it. Then your repentance was not true.
None of what you say above about repentance is supported in scripture.
So, what are fruits of worthy of repentance?
Consider Rom 6:20-23
For when ye were the servants of sin, ye were free from righteousness.
What fruit had ye then in those things whereof ye are now ashamed? for the end of those things is death.
But now being made free from sin, and become servants to God, ye have your fruit unto holiness, and the end everlasting life.
For the wages of sin is death; but the gift of God is eternal life through Jesus Christ our Lord.
What is this fruit unto holiness, which results in eternal life?
It's Christ the firstfruit (1Cor 15:20).
And if the firstfruit (Christ) is holy, then the lump (Christians) is also holy.
Rom 11:16
For if the firstfruit (Christ) be holy, the lump is also holy: and if the root be holy, so are the branches.
And note also how believing on Jesus results in eternal life, as Rom 6:22 also refers to.
John 3:16
For God so loved the world, that he gave his only begotten Son, that whosoever believeth in him should not perish, but have everlasting life.
And this all also happens to be consistent with God's will.
John 6:40
And this is the will of him that sent me, that every one which seeth the Son, and believeth on him, may have everlasting life: and I will raise him up at the last day.
Thus we see (in contradiction to your precarious multi-stage gospel with it's sin ledger) that when we repent of our
dead works of self-righteousness (Heb 6:1), and instead, turn back to God,
believing on Jesus, many things happen simultaneously at that point.
1:Christians become servants of God, Rom 6:22, obeying God's will, John 6:40.
2:We're made free from sin, Rom 6:22 (thus we
"cannot sin" 1John 3:9, we've
"ceased from sin" 1Pet 4:1)
3:We're holy because Christ our firstfruit is holy, Rom 11:16
4:Everlasting life, Rom 6:22, John 3:16, John 6:40.
Christ is the firstfruit, 1Cor 15:20, and in believing on Jesus we have Christ in us. Fruits worthy of repentance.
The thief on the cross had fruits worthy of repentance. He believed on Jesus.
Some people have watered down and changed repentance to just a change of mind from unbelief to belief.
Repentance is actually the change of mind about one's self on how the sins they walk in make them enmity to God.
That then leads to Godly sorrow that leads one to turn from and stop walking in those sins.
Consider what you said above.
You belittle repentance from dead works of self-righteousness (which is unbelief), in an attempt to focus upon (dead) works of the law for righteousness (that is you don't see a Christian as righteous and pure unless their sin ledger is
perfectly balanced with continual repentance of any transgressions of the law that Christians are not even under).
Now what sin is the world convicted of?
It's unbelief in Jesus, John 16:9
What is Christ's command?
We're to
believe on Jesus, John 3:16
What works are we to do?
We're to
believe on Jesus, John 6:29.
How do we overcome the world?
We
believe on Jesus, 1John 5:5
How did the thief on the cross enter into paradise?
He
believed on Jesus.
What works does Heb 6:1 say that we repented of?
It was
dead works (of self-righteousness, which is unbelief).
Scripture clearly shows that repentance is a change of mind from unbelief (rejecting Christ) to belief (believing on Jesus).
So does works of the law fit into this picture?
Gal 3:12
the law is not of faith
Gal 5:4
Christ is become of no effect unto you, whosoever of you are justified by the law; ye are fallen from grace.
Rom 11:6
And if by grace, then is it no more of works: otherwise grace is no more grace. But if it be of works, then it is no more grace: otherwise work is no more work.
Thus we see you attempt at
"watering down" repentance of
dead works of self-righteousness (unbelief) and changing it into repentance of transgressions of the law (that Christians are not even under) to meet a demand to
perfectly balance out a sin ledger, is not supported in scripture.