1 Samuel 17:45-47

45Then David said to the Philistine, “You are coming to me with a sword, a spear and a javelin, but I am coming to you in the Name of Adonai-Tzva’ot, God of the armies of Israel, whom you have defied.

46This very day Adonai will deliver you into my hand, and I will strike you down and take your head off you, and I will give the carcasses of the Philistines’ camp today to the birds of the sky and the wild beasts of the earth. Then all the earth will know that there is a God in Israel,

47and so all this assembly will know that Adonai delivers not with sword and spear—for the battle belongs to Adonai—and He will give you into our hands.”