King James Version (KJV)
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.
Modern English
So David prevailed over the Philistine with a sling and with a stone, and struck the Philistine, and killed him; but there was no sword in the hand of David.
Hebrew
וַיֶּחֱזַ֨ק דָּוִ֤ד מִן־הַפְּלִשְׁתִּי֙ בַּקֶּ֣לַע וּבָאֶ֔בֶן וַיַּ֥ךְ אֶת־הַפְּלִשְׁתִּ֖י וַיְמִיתֵ֑הוּ וְחֶ֖רֶב אֵ֥ין בְּיַד־דָּוִֽד׃
vayeḥezaq david min-haplishtiy baqelaʿ vbaʾeben vayak ʾet-haplishtiy vaymiytehv vḥereb ʾeyn byad-david