17:4And there went out a champion out of the camp of the Philistines, named Goliath, of Gath, whose height was six cubits and a span.

17:49And David put his hand in his bag, and took thence a stone, and slang it, and smote the Philistine in his forehead, that the stone sunk into his forehead; and he fell upon his face to the earth.

17:50So 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.