L. M. Grant's Commentary on the Bible - 1 Samuel 17:1-58
The time comes when both Saul and David are to be publicly proven as regards their fitness to rule over Israel. The Philistines, though previously defeated through Jonathan's faith, return to challenge Israel, but with a different approach. The armies of Israel occupy a height on one side of a valley and the Philistines similarly stationed on the other side. If one army wanted to attack, they would have to cross the valley and climb up the other side, which would put them at great... read more
Geneva Study Bible - 1 Samuel 17:40
17:40 And he took his {n} staff in his hand, and chose him five smooth stones out of the brook, and put them in a shepherd’s bag which he had, even in a scrip; and his sling [was] in his hand: and he drew near to the Philistine.(n) So that by these weak means, It might be known that only God was the author of this victory. read more