Behold, this day your eyes have seen how that Yahweh had delivered you today into my hand in the cave: and some bade me kill you; but [my eye] spared you; and I said, I will not put forth my hand against my lord; for he is Yahweh's anointed.
The incident recorded in this chapter concerns "cutting off" (1 Samuel 24:4-5; 1 Samuel 24:11; 1 Samuel 24:21). David had the opportunity and received encouragement to cut off Saul’s life but chose to cut off only his robe hem. He ended up promising not to cut off Saul’s descendants and name.