Joshua 7:4 - Joseph Benson’s Commentary on the Old and New Testaments

They fled before the men of Ai Not having courage, it seems, to strike a stroke, a plain evidence that God had forsaken them, and an instructive event, to show them what they were when God left them; that they did not gain their victories by their own valour, but that it was God that gave the Canaanites into their hands. And may we not hence conclude, however little it may be thought of, that victory or superiority in war between different nations, depends more upon the will of God than upon any other circumstance; and that a nation that goes to battle loaded with its crimes, has but little reason to hope for final victory or lasting success!