This day will Yahweh deliver you into my hand; and I will strike you, and take your head from off you; and I will give the dead bodies of the host of the Philistines this day to the birds of the sky, and to the wild animals of the earth; that all the earth may know that there is a God in Israel,
"David lived by a very simple principle: nothing to prove, nothing to lose. He didn’t try to impress anybody in the army of Israel. He didn’t try to impress his brothers. He didn’t even try to impress God. He just ran to meet Goliath." [Note: Swindoll, p. 46.] 