20 And the anger of the LORD was hot against Israel; and he said, Because that this people hath transgressed my covenant which I commanded their fathers, and have not hearkened to my voice;
21 I also will not henceforth drive out from before them any of the nations which Joshua left when he died:
22 That through them I may prove Israel, whether they will keep the way of the LORD to walk in it, as their fathers kept it, or not.
23 Therefore the LORD left those nations, without driving them out speedily, neither did he deliver them into the hand of Joshua.