Forst of all, thank you,
@agedman, for taking the time to lay out your understanding concerning PSA. I have taken the time to read all three posts, so if I don't quote every part of them, please be assured that I have read them and feel free to come back if you feel I've ignored anything.
Continuing in Romans we move to chapter 3:
19Now
we know that whatever the law says, it says to those who are under the law, so that every mouth may be silenced and the whole world held accountable to God.
20Therefore
no one will be justified in His sight by works of the law. For the law merely brings awareness of sin.
This is also an important principle to hold when considering what happened to God's wrath.
The law brings the awareness of sin, not the justification needed.
This is true as far as it goes, but it needs to be said that the fault is not in the law, which is
'holy, and the commandment just and good' (Romans 7:12), but in ourselves that we can't keep it.(Romans 7:22-23).
Continuing with
Romans 3:
21But now,
apart from the law, the righteousness of God has been revealed, as attested by the Law and the Prophets.
22And
this righteousness from God comes through faith in Jesus Christ to all who believe. There is no distinction,
23for all have sinned and fall short of the glory of God,
24and are
justified freely by His grace through the redemption that is in Christ Jesus.
How did that happen?
25God presented Him as the atoning sacrifice through faith in His blood, in order to demonstrate His righteousness, because in His forbearance
He had passed over the sins committed beforehand. 26He did this to demonstrate His righteousness at the present time, so as to be just and to justify the one who has faith in Jesus.
27Where, then, is boasting? It is excluded. On what principle? On that of works? No, but on that of faith.
28For we maintain that a man is justified by faith apart from works of the law.
29Is God the God of Jews only? Is He not the God of Gentiles too? Yes, of Gentiles too,
30since
there is only one God, who will justify the circumcised by faith and the uncircumcised through that same faith.
31Do we, then, nullify the law by this faith? Certainly not! Instead,
we uphold the law.[/QUOTE]
So, if we take verses 21 and 31 together, we can see that whatever
'apart from the law' means, it cannot mean that the law is nullified. Indeed,
'The LORD is well pleased for His righteousness' sake; He will exalt the law and make it honourable' (Isaiah 42:21).
So what does '
apart from the law' mean? It means that a way has been opened for guilty sinners to be forgiven even though they are guilty under the law, but the law, far from being abrogated, is actually upheld, exalted and magnified. How does that work?
It means that the Lord Jesus Christ has willingly taken all the sins of God's people upon Himself (Isaiah 53:6; 1 Peter 2:24) in such a way that He was judicially guilty of them though personally sinless. He has taken upon Himself God's curse against sin and sinners and expiated it. Otherwise the law is indeed nullified and God is unjust according to His own law.
There is a (mostly) excellent book by John Murray called
Redemption - Accomplished and Applied (my copy by Banner of Truth). The New Birth is the
application of redemption, but it is not the whole as you seem to be suggesting. The cross, and Penal Substitution, are the
accomplishment of redemption. Both are necessary for the salvation of sinners like you and me.