The LORD of the Heavenly Armies will defend them; they will devour and conquer those who sling stones. They will drink and be boisterous like those who are drunk. They will be filled to the brim with blood, like the corners of the altar.

He took his staff in his hand and chose for himself five smooth stones from the brook and put them in the pouch in his shepherd's bag. He approached the Philistine with his sling in his hand.

Arrows won't make him flee; stones from a sling are only pebbles to him.