1 Samuel 17:50
King James Version
“So David prevailed over the Philistine with a sling and with a stone, and smote the Philistine, and slew him; but no sword in the hand of David.”
Context
47And all this assembly shall know that the LORD saveth not with sword and spear: for the battle the LORD’S, and he will give you into our hands.
48And it came to pass, when the Philistine arose, and came and drew nigh to meet David, that David hasted, and ran toward the army to meet the Philistine.
49And David put his hand in his bag, and took thence a stone, and slang and smote the Philistine in his forehead, that the stone sunk into his forehead; and he fell upon his face to the earth.
50So David prevailed over the Philistine with a sling and with a stone, and smote the Philistine, and slew him; but no sword in the hand of David.
51Therefore David ran, and stood upon 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.
52And the men of Israel and of Judah arose, and shouted, and pursued the Philistines, until thou come to the valley, and to the gates of Ekron. And the wounded of the Philistines fell down by the way to Shaaraim, even unto Gath, and unto Ekron.
53And the children of Israel returned from chasing after the Philistines, and they spoiled their tents.