Swear now therefore to me by Yahweh, that you will not cut off my seed after me, and that you will not destroy my name out of my father's house.
Saul, who had disregarded God’s Law, became a deadly threat to David (1 Samuel 23:19-28). However, David, who regarded God’s Law, became a source of life to Saul (1 Samuel 23:29 to 1 Samuel 24:22) and to others in Israel (ch. 25).