Psalm 5

We're told that God hates bloodthirsty men, and it's hard to think of anyone who lived more by the sword than David.

How do we reconcile these two? First we need to realize that it wasn't his nature to kill people. He did what he did because he had to. Second, we have to understand that David was only carrying out the decrees of God, who had called for the destruction of the Canaanites hundreds of years before.