The works of the flesh breed death, the Spirit is life, we are co-heirs with Christ.
Paul discusses the constant pull of sin in our lives. That what we will to do we cannot always do.
If God has so much Grace, why shouldn't we keep sinning. There are so many reasons why not to.
While we were still sinners, Jesus died for us. God commanded His Love for us.
Paul preaches salvation by faith, not works, to the Jews by referencing Abraham in the Old Testament.
Paul encourages practicing righteousness, but not as a means to salvation, that's by grace.
We learn about the grounds of Gods judgement upon sinners and mercy upon the righteous.
Paul exposes the deeds of the flesh and its wickedness, and God's wrath on unrighteousness.
Jesus' identity was shown in all the OT, proven by resurrection and His Presence in us gives us Peace.