Jesse said to David his son, Take now for your brothers an ephah of this parched grain, and these ten loaves, and carry [them] quickly to the camp to your brothers;
This fellow is defying the armies of the living God, and if none of you fellows want to go out and fight him, I'll go out and fight him. So a fellow ran and told Saul the fact that they had a volunteer who had volunteered to go out and fight: David. And so they brought David in to fight Goliath. They brought David in unto Saul and Saul said, "Oh, you can't fight him son. That man is a man of war."