Another time he killed an Egyptian—a huge man who stood seven feet six inches tall. The Egyptian had a spear whose shaft was as thick as a weaver's rod. Benaiah attacked him with just a club, but he was able to grab the spear from the Egyptian's hand, and killed him with his own spear.
Yet it was I who was the one who destroyed the Amorites before you, even though they were as tall as cedars and as strong as oaks. I destroyed them root and branch.
(Only Og, king of Bashan, was left of the race of the Rephaim. He had a bed made of iron that was nine cubits long and four cubits wide. It's still in the Ammonite town of Rabbah.)
While he was talking with them, Goliath, the Philistine champion from Gath, came up out of his lines and shouted his challenge as he had before, and David heard what he said.