We just have to be careful when describing this matter not to make it sound as though salvation comes as a consequence of us becoming perfect after conversion.
But of course being
committed to a changed lifestyle and doing our best to adhere to Our Lord's teachings is another matter.
Yes, I agree, perfect holiness is the aim of a true faith in Lord Jesus, but God does provide forgiveness for a reason - which is because a Christian will likely sin in thought, word, and deed, although committing sin should never be our intention.
1 John 1:6-9 (WEB) 6 If we say that we have fellowship with him and walk in the darkness, we lie, and do not tell the truth. 7 But if we walk in the light, as he is in the light, we have fellowship with one another, and the blood of Jesus Christ, his Son, cleanses us from all sin. 8 If we say that we have no sin, we deceive ourselves, and the truth is not in us. 9 If we confess our sins, he is faithful and righteous to forgive us the sins, and to cleanse us from all unrighteousness.
John 15:8-10 (WEB)
8 “In this my Father is glorified, that
you bear much fruit; and so you will be my disciples. 9 Even as the Father has loved me, I also have loved you.
Remain in my love. 10
If you keep my commandments, you will remain in my love; even as I have kept my Father’s commandments, and remain in his love.
As we sanctify ourselves to God by faith, following Lord Jesus, will God forgives our sins, and accredits righteousness to us.
1 John 2:1-6 (WEB)
2 My little children, I write these things to you so that you may not sin. If anyone sins, we have a Counselor with the Father, Jesus Christ, the righteous. 2 And he is the atoning sacrifice for our sins, and not for ours only, but also for the whole world.
3
This is how we know that we know him: if we keep his commandments. 4
One who says, “I know him,” and doesn’t keep his commandments, is a liar, and the truth isn’t in him. 5 But God’s love has most certainly been perfected in whoever keeps his word. This is how we know that we are in him: 6
he who says he remains in him ought himself also to
walk just like he walked.
Romans 6:21-22 (WEB) 21 What fruit then did you have at that time in the things of which you are now ashamed? For the end of those things is death. 22 But now, being made
free from sin and having become servants of God, you have your fruit of sanctification and the result is eternal life.
James 1:12 (WEB) 12 Blessed is a person who endures temptation, for when he has been approved, he will receive the crown of life, which the Lord promised to those who love him.
Hebrews 12:14-17 (WEB)
14 Follow after peace with all men, and the sanctification without which no man will see the Lord, 15 looking carefully lest there be any man who falls short of the grace of God, lest any root of bitterness springing up trouble you, and many be defiled by it, 16 lest there be any sexually immoral person, or profane person, like Esau, who sold his birthright for one meal. 17 For you know that even when he afterward desired to inherit the blessing, he was rejected, for he found no place for a change of mind though he sought it diligently with tears.