When they began to sing and to praise, the LORD set ambushers against the children of `Ammon, Mo'av, and Mount Se`ir, who had come against Yehudah; and they were struck.
For my people are foolish, they don't know me; they are foolish children, and they have no understanding; they are wise to do evil, but to do good they have no knowledge.
Yehoshua sent them forth; and they went to set up the ambush, and stayed between Beit-El and `Ai, on the west side of `Ai: but Yehoshua lodged that night among the people.