As you study the life of David in the pages of scripture you will find a recurring theme concerning his decision making. Many times David has an opportunity to react to the enemy and rather chooses to allow Gods will to play out. He shows great restraint when there are many times we could justify action. Such is the case with Saul when David has multiple times to kill king david and chooses not to. Afterwards we
2 Sa 15:25–26.
25 And the king said unto Zadok, Carry back the ark of God into the city: if I shall find favour in the eyes of the LORD, he will bring me again, and shew me both it, and his habitation: