God’s promise to Abraham was realized through faith. Faith is a BIG deal, and by it we are counted as righteous. The profit Habakkuk said “The Just shall live by faith”
Old School Faith
Abraham is our example, for the scriptures say “faith was accounted to Abraham for righteousness”. Rituals and rites will NOT save us; we must stand on this. Christ died for sinners; we cannot by our good works make ourselves right with God.
Unearned Salvation
Our righteousness comes to us by faith not by the Law. Through faith in Jesus Christ and His redeeming death on the cross we are saved. Is the Law done away with then? By no means, the Law is fulfilled by our faith and by faith we are able to do good works.
Sin and People
By the Law, We are all sinners. Paul quotes the Old Testament, “There is none righteous, no not one;” But God has made a way, our sins can be washed away, by the atoning work of Jesus Christ. The purpose of the Law is to show us how sinful we are and why we need Jesus as our savior.
Anticipating Objections
God is ALWAYS faithful, both to Jews and to Non-Jews. If we fail (which we do) He will remain faithful to do what He has promised! The entire world is guilty; we cannot rationalize our way out of it. God has made a way to get us right with Him, and He laid it out in the entirety of His scriptures.