Grace only applies to those who are willing to repent and stop sinning

"Therefore he is able to save completely those who come to God through him, because he always lives to intercede for them." Hebrews 7:25

"being confident of this, that he who began a good work in you will carry it on to completion until the day of Christ Jesus." Philippians 1:6
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Please state your definition of Grace; as it does not fit with the definition I learned, which is "unmerited" favor.

MILLIONS of lost souls who believed they
could walk down an aisle, say a sinner's prayer,
shed a few crocodile tears, then go out
the door and live like the devil
are going to hear, one day,
"Depart from Me, I NEVER knew you."

I'm Baptist. I get to go to the front of the line.

Every single Christian denomination has allowed error to creep in regarding this point. My own Independent Baptists know salvation is by faith, but even they sometimes try to make it conditional in some way on works. They will say you must be baptised, you must attend church, you must tithe, etc. That is why I distance myself by saying I preach the Bible. I preach Jesus Christ - crucified, risen, and living. And I preach salvation by faith. Sadly, a great many so-called Christian denominations aren't even in simple error. They flatly teach a doctrine of salvation by works, which is heresy. I could name denominations here, but you should be able to see for yourself. If their doctrine says anything other than salvation by faith in the finished work done by Jesus on the cross, they are wrong. And such denominations have no right to call themselves Christian because they deny Christ! They deny His divinity, His word, His right to be called The Son of God if they believe His work was somehow insufficient, that man has to "help" by doing something else. Man is not capable of doing anything aceptable to God until he has been redeemed! Good works follow naturally once the believer receives the Holy Spirit, and are then pleasing to God. Baptism is a public affirmation of faith. It should not be done until the believer is saved, and it is not a condition of salvation - you need not be baptised to be saved.

Ephesians 2:8,9 says: For by grace are ye saved through faith; and that not of yourselves: it is the gift of God. Not of works, lest any man should boast.

Those are the words of the Apostle Paul. Throughout his long ministry, Paul was plagued by people he called "Judaizers". In his time, these were converted Jews who believed in Jesus as their Messiah, but were determined to make Gentile Christians follow Jewish laws - a doctrine of faith plus works. The group has changed, the things they insist on have changed, but the doctrine is still heresy.

At this point, I'd like to lift a bit of text from brother Don Koenig of thepropheticyears-dot-com (A site I heartily recommend):

Salvation is not achieved by reciting some words or by the obedience of being baptized in water in the name of Jesus. It is achieved by believing that God is righteous and merciful and gracious to save. It is believing that God provided a Savior for all mankind who trust and believe in Him for their salvation. Believers by confessing Jesus Christ are confessing to the actual meaning of the name of the person that God sent to save them. The name "Jesus Christ" actually means "the anointed Savior of Jehovah" The gospel of John said that God came into the world in the form of a man (Jesus) and the world did not know Him but as many as received Jesus He has given the power to become sons of God (John 1:12). So John said salvation comes by receiving Jesus.

It's not an idea exclusive to the New Testament either. In Genesis we see that Abraham believed God and it was counted to him for righteousness. Noah believed God, followed orders that must have seemed very strange to him, and was saved with his family. Neither of these patriarchs were righteous by their own works. God counted them righteous for their faith. Romans 3:10: There is none righteous, no, not one. That included the patriarchs.

Paul then continues in Romans 3:21-26: But now the righteousness of God without the law is manifested, being witnessed by the law and the prophets; Even the righteousness of God which is by faith in Jesus Christ unto all and upon all that believe; for there is no difference: For all have sinned and come short of the glory of God; Being justified freely by His grace through the redemption that is in Christ Jesus: Whom God hath set forth to be a propitiation through faith in His blood, to declare His righteousness for the remission of sins that are past, through the forbearance of God; To declare, I say, at this time His righteousness: that He might be just, and the justifier of him which believeth in Jesus. KJV, emphasis mine.

Justification is the act of God, who is the ONLY being with power to declare justification, whereby the status of believers is changed and we are declared righteous, even though we have done nothing, indeed CAN do nothing to earn it. When we express faith in the saving grace of God through Jesus Christ, He forgives our sins and declares us worthy to share eternity with Him in Heaven.

What then of works? Do they have any value? Yes! After you have accepted the salvation of Jesus, then your good works will be acceptable to God and He will reward you in Heaven according to your works. But you must always remember that your works did not earn you a place in Heaven. That attitude is an insult to our Savior!

Blessed be the Name of The Lord for He is merciful toward us. Thank you Father for your guidance and for this opportunity to speak the Gospel. In the name of the Lord Jesus Christ, the same yesterday, today, and forever, Amen.

Every one of us is going to sin every day, until we die, whether we want to or not.

The definition you learnt is a false one. It's the definition those who don't want to practice righteousness cling to. It's the very reason why lawlessness now abounds in the Church.

The good things we speak, write and do, through the indwelling presence of the Holy Spirit, is what is called grace. ----- Who taught you that? Please link to any bible studies ministry that teaches that.

The Holy Spirit did. You don't need a Bible study ministry to teach you. That's why the Lord gave us the gift of the Holy Spirit. Is it any wonder millions are being led into Apostasy through Bible study ministries!