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.
In those days they would take their time in getting started into a real battle. They'd come and they'd yell and they'd have their shouts, and they'd try to psyche each other out. The children of Israel had been pretty well psyched out by this fellow Goliath, who came out every day for forty days.