Saul said to David, Behold, my elder daughter Merab, her will I give you as wife: only be valiant for me, and fight Yahweh's battles. For Saul said, Don't let my hand be on him, but let the hand of the Philistines be on him.
By this time David had probably written some of the psalms that are now part of the biblical book of Psalms (cf. 2 Samuel 23:1). The introductions and titles to these psalms indicate that a number of them were written during the time of his flight from Saul. These, along with other psalms he wrote over a long and eventful career, give David’s personal views of events that the writer of 1 and 2 Samuel describes in narrative form.