And David put his hand in his bag, and took there a stone, and slung it, and struck the Philistine in his forehead, that the stone sunk into his forehead; and he fell upon his face to the earth.
All Commentaries on 1 Samuel 17:49 Go To 1 Samuel 17
Paulinus of Nola
Having trust in Christ, consigning everything to the God of powers, regarding God alone as all that is highest—this has always been efficacious in achieving every good. This is the faith that has prevailed over all weapons. This was the strength that made that slight boy great, for he grew stronger by spurning weapons and brought low the armed giant by the power of a stone.