40 He picked up five smooth stones from a stream and put them into his shepherd's bag. Then, armed only with his shepherd's staff and sling, he started across the valley to fight the Philistine. 41 Goliath walked out toward David with his shield bearer ahead of him, 42 sneering in contempt at this ruddy-faced boy. 43 "Am I a dog," he roared at David, "that you come at me with a stick?" And he cursed David by the names of his gods. 44 "Come over here, and I'll give your flesh to the birds and wild animals!" Goliath yelled. 45 David replied to the Philistine, "You come to me with sword, spear, and javelin, but I come to you in the name of the Lord of Heaven's Armies-the God of the armies of Israel, whom you have defied. 46 Today the Lord will conquer you, and I will kill you and cut off your head. And then I will give the dead bodies of your men to the birds and wild animals, and the whole world will know that there is a God in Israel! 47 And everyone assembled here will know that the Lord rescues his people, but not with sword and spear. This is the Lord 's battle, and he will give you to us!"
48 As Goliath moved closer to attack, David quickly ran out to meet him. 49 Reaching into his shepherd's bag and taking out a stone, he hurled it with his sling and hit the Philistine in the forehead. The stone sank in, and Goliath stumbled and fell face down on the ground. 50 So David triumphed over the Philistine with only a sling and a stone, for he had no sword. 51 Then David ran over and pulled Goliath's sword from its sheath. David used it to kill him and cut off his head. Israel Routs the Philistines When the Philistines saw that their champion was dead, they turned and ran.
Matthew Henry's Commentary on 1 Samuel 17:40-51
Commentary on 1 Samuel 17:40-47
(Read 1 Samuel 17:40-47)
The security and presumption of fools destroy them. Nothing can excel the humility, faith, and piety which appear in David's words. He expressed his assured expectation of success; he gloried in his mean appearance and arms, that the victory might be ascribed to the Lord alone.
Commentary on 1 Samuel 17:48-58
(Read 1 Samuel 17:48-58)
See how frail and uncertain life is, even when a man thinks himself best fortified; how quickly, how easily, and by how small a matter, the passage may be opened for life to go out, and death to enter! Let not the strong man glory in his strength, nor the armed man in his armour. God resists the proud, and pours contempt on those who defy him and his people. No one ever hardened his heart against God and prospered. The history is recorded, that all may exert themselves for the honour of God, and the support of his cause, with bold and unshaken reliance on him. There is one conflict in which all the followers of the Lamb are, and must be engaged; one enemy, more formidable than Goliath, still challenges the armies of Israel. But "resist the devil, and he will flee from you." Go forth to battle with the faith of David, and the powers of darkness shall not stand against you. But how often is the Christian foiled through an evil heart of unbelief!