The document discusses root problems and self-defeating strategies related to our sin nature, including folly, madness, evil, missing God's glory, crossing moral boundaries, spoiling opportunities, pursuing empty things, and offending God. It then examines inner sins like arrogance, rebellion, deceitfulness, poor judgement, and blindness. The document summarizes that the gospel is one of astonishment and that God saves through mercy rather than righteousness. God delights in taking care of his people with love and joy.