“He said to his men, “May the Lord keep me from doing a thing like that again to my master. He is the Lord’s anointed king. So I promise that I will never lay my hand on him. The Lord has anointed him.” 7 David said that to correct his men. He wanted them to know that they should never suggest harming the king. He didn’t allow them to attack Saul. So Saul left the cave and went on his way.” 1 Samuel 24 6-7. David didn’t kill Saul because Saul was the king that the Lord had chosen, He wanted it to be in Gods hands.