The struggle every converted person has- the war within. We see that even for our obedience to God's good ways, we cannot rely upon ourselves. We can only rely upon Christ. St. Paul speaks with much personal candor on his own struggle, and the rescue Jesus affords.
This is the second Sunday of Advent. It is God's call for us to repent, an uncomfortable- but uncompromising call to us. The Kingdom of God is coming, and is even now at hand and God's judgment is his love crashing into the reality of our rebellion and sin. His call to repent is his love in action.
Up until now, in our Romans study, Paul has laid out a pretty bleak picture- none are righteous, no not one, all have fallen short of the glory of God. But that is only to show us how glorious and good the good news- Jesus - really is. We're not sick people being given medicine, we're dead people being given life!
Paul shifts his aim in Romans 2, showing that not just the pagans- but religious moralists need the Gospel too. And that it is God's kindness, which is meant to lead us to repentance...