Here is your major proof text:
Romans 4:6 Even as David also describeth the blessedness of the man, unto whom God reckons justice without works,
You will see that I corrected the translation. JUSTICE = the penalty paid, not moral righteousness. After you admit the following definition may be valid --even for the sake of argument, then we will continue:
Ah, like the JWs with their New World translation. 2000 years of Christian scholarship and suddenly you think you have it right. That's precisely how cults get started. Ecclesiastical deconstruction.