In Context

47 And all this assembly shall know that the LORD saves not with sword and spear: for the battle is the LORD's, and he will give you into our hands.

48 And it came to pass, when the Philistine arose, and came, and drew near to meet David, that David hastened, and ran toward the army to meet the Philistine.

49 And David put his hand in his bag, and took there a stone, and slang it, and smote the Philistine in his forehead, that the stone sunk into his forehead; and he fell on his face to the earth.

50 So David prevailed over the Philistine with a sling and with a stone, and smote the Philistine, and slew him; but there was no sword in the hand of David.

51 Therefore David ran, and stood on the Philistine, and took his sword, and drew it out of the sheath thereof, and slew him, and cut off his head therewith. And when the Philistines saw their champion was dead, they fled.

52 And the men of Israel and of Judah arose, and shouted, and pursued the Philistines, until you come to the valley, and to the gates of Ekron. And the wounded of the Philistines fell down by the way to Shaaraim, even to Gath, and to Ekron.

1 Samuel 17:50 in Other Translations