Then answered one of the young men, and said, Behold, I have seen a son of Jesse the Bethlehemite, who is skillful in playing, and a mighty man of valor, and a man of war, and prudent in speech, and a comely person; and Yahweh is with him.
and a man of war some think this character of him was given after the affair of his fighting with Goliath and killing him, but here put by a prolepsis or anticipation; and indeed if David had been taken into Saul's court before that affair, it is difficult to account for Saul's ignorance of him, since he must be so near him, and so often with him, as his musician and armourbearer; though that difficulty may be removed, as may be observed in its proper place: