If all our righteousness is not filthy rags, why do we need a Savior? We ought to be able to justify ourselves through our own goodness if our personal righteousness is good enough.
Not quite.
You are missing some key points.
There are righteous people and there are wicked people.
We can choose whether we will be righteous or whether we will be wicked.
There are only two destinations for people at the final judgment.
People will either be permanently destroyed in the lake of fire or people will enter into eternal life in the kingdom of God.
There is no everlasting torment for people who are permanently destroyed in the lake of fire, they just die and will never be raised up again.
Salvation is entering into eternal life in the kingdom of God.
None of us has the power to give ourselves eternal life, so we need a savior who can give us eternal life.
None of us has the ability to enter into the kingdom of God, so we need a savior who can grant us entrance into the kingdom of God.
The wicked will not enter into the kingdom of God, they will not be given eternal life, they will be permanently destroyed in the lake of fire.
The righteous whose names are written in the book of the living will be given eternal life and enter into the kingdom of God, but the righteous whose names are not written in the book of the living will be permanently destroyed in the lake of fire along with the wicked.
The entire purpose of the book of the living is to list the people who would be given eternal life and would be granted entrance into the kingdom of God in the world to come.
Before Jesus sacrificed Himself, God was the only being to determine who would have their names written in the book of the living and who would have their names blotted out.
God had specific requirements for whose names were to be written in the book of the living.
Malachi 3:16-18
16 Then they that feared the Lord spake often one to another: and the Lord hearkened, and heard it, and a book of remembrance was written before him for them that feared the Lord, and that thought upon his name.
17 And they shall be mine, saith the Lord of hosts, in that day when I make up my jewels; and I will spare them, as a man spareth his own son that serveth him.
18 Then shall ye return, and discern between the righteous and the wicked, between him that serveth God and him that serveth him not. |
After Jesus humbled Himself unto death on the cross, Jesus was found worthy and was given all authority over the book of the living.
Jesus also has specific requirements for whose names are to be written in the book of the living.
Matthew 7:21
21 Not every one that saith unto me, Lord, Lord, shall enter into the kingdom of heaven; but he that doeth the will of my Father which is in heaven. |
Paul tried to make it clear that the standards for wickedness has never changed and that the wicked would never enter into the kingdom of God.
1 Corinthians 6:9-10
9 Know ye not that the unrighteous shall not inherit the kingdom of God? Be not deceived: neither fornicators, nor idolaters, nor adulterers, nor effeminate, nor abusers of themselves with mankind,
10 Nor thieves, nor covetous, nor drunkards, nor revilers, nor extortioners, shall inherit the kingdom of God. |
Galatians 5:19-21
19 Now the works of the flesh are manifest, which are these; Adultery, fornication, uncleanness, lasciviousness,
20 Idolatry, witchcraft, hatred, variance, emulations, wrath, strife, seditions, heresies,
21 Envyings, murders, drunkenness, revellings, and such like: of the which I tell you before, as I have also told you in time past, that they which do such things shall not inherit the kingdom of God. |
Ephesians 5:3-6
3 But fornication, and all uncleanness, or covetousness, let it not be once named among you, as becometh saints;
4 Neither filthiness, nor foolish talking, nor jesting, which are not convenient: but rather giving of thanks.
5 For this ye know, that no whoremonger, nor unclean person, nor covetous man, who is an idolater, hath any inheritance in the kingdom of Christ and of God.
6 Let no man deceive you with vain words: for because of these things cometh the wrath of God upon the children of disobedience. |
Paul had difficulty explaining the difference between true righteousness based on faithfully serving God and the false righteousness of the Pharisees that is based on keeping the letter of the Law.
Philippians 3:9-11
9 And be found in him, not having mine own righteousness, which is of the law, but that which is through the faith of Christ, the righteousness which is of God by faith:
10 That I may know him, and the power of his resurrection, and the fellowship of his sufferings, being made conformable unto his death;
11 If by any means I might attain unto the resurrection of the dead. |