David girded his sword on his clothing, and he tried to go; for he had not proved it. David said to Saul, I can't go with these; for I have not proved them. David put them off him.
And of course the men of Israel, when they saw this, their hearts were encouraged, and they all came out of their tents and began charging after the Philistines. And there was a great slaughter of the Philistines that day. So the Lord delivered the Philistine there in the hands of David.