1 Samuel 17:45

17:45 But David replied to the Philistine, “You are coming against me with sword and spear and javelin. But I am coming against you in the name of the Lord of hosts, the God of Israel’s armies, whom you have defied!

1 Samuel 17:50

17:50 ¹ David prevailed over the Philistine with just the sling and the stone. He struck down the Philistine and killed him. David did not even have a sword in his hand. ² 

[17:50]  ¹ tc Most LXX mss lack v. 50.

[17:50]  ² tn Verse 50 is a summary statement; v. 51 gives a more detailed account of how David killed the Philistine.