Comparative Christianity, taking credit for another's work, the sphere of responsibility that God has given us -- all topics that Paul addresses with the Corinthians. 

The fall out from compounded sin is seen in the life of David's children. 

Sin grievously plagues King David's household and children in a high-definition demonstration of humanity's need for a rescuer and a redeemer.  

Nathan is sent by God to confront David over his sin with Bathsheba, the wife of Uriah.

David deals with the fallout of his sin.