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 

1 Samuel 23:2

23:2 So David asked the Lord, “Should I go and strike down these Philistines?” The Lord said to David, “Go, strike down the Philistines and deliver Keilah.”

[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.