Paul's New Testament understanding had its roots in Old Testament revelation. For example, he explains the basis for the righteous judgment of God in Romans 1 and 2 by drawing directly from Old Testament revelation.
In Romans 2:8, Paul makes this statement - "but to those who are contentious and resisting persuasion to the truth on the one hand, and on the other hand are being persuaded in/by unrighteousness, wrath and anger."
Where did Paul get his understanding to have such confidence to declare that wrath and anger would be upon the "unpersuaded and contentious?" He got it directly from the authority of Old Covenant revelation! Precisely, this particular passage: Deut 21:18 -"and if anyone should have a son unpersuaded and contentious, not obeying the voice of his father and the voice of his mother, and they should correct him and he should not listen to them; then seizing him they shall lead him to the council of elders of his city and unto the gate of his place and they shall say to the men of their city - this son of ours refuses persuasion and is contentious, not obeying our voice..... and they shall stone him, the men of his city."
This underscores the truth that Jesus did not come to destroy the revelation contained in the Law and the Prophets, but to fulfill the righteousness of the Law.
Stubborn defiance of authority was a capital offense in the Old Covenant and the New Covenant upholds this righteous decree.
Refusing to be persuaded and becoming contentious with authority will result in an even greater eternal judgment in the New Covenant than the capital punishment decreed in the Old Covenant.
Faith does not nullify the Law - it establishes it!
