Yahweh said to Joshua, Don't be afraid, neither be dismayed: take all the people of war with you, and arise, go up to Ai; behold, I have given into your hand the king of Ai, and his people, and his city, and his land;
(7) All Israel would at that point turn and crush the men of Ai.  Now, the Lord has not given us any detailed report of the orders that went out to the various detachments, nor any of the remainder of the devices by which this complicated strategy successfully destroyed Ai, but nobody can miss the main points of it, which we may be sure include all that Christians of the 20th century need to know about it!