When Saul saw David go forth against the Philistine, he said to Abner, the captain of the host, Abner, whose son is this youth? Abner said, As your soul lives, O king, I can't tell.
". . . the text is not focused on chronological reporting but intends rather a dual topical introduction of David, who as a young man already manifested the gifts that would gain him renown as the sweet psalm-singer of Israel as well as the mighty warrior of the Lord." [Note: Longman and Dillard, p. 23.] 