Exodus

And the Lord thy God will put out those nations before thee by little and little: thou mayest not consume them at once, lest the beasts of the field increase upon thee.

Understand therefore this day, that the Lord thy God is he which goeth over before thee; as a consuming fire he shall destroy them, and he shall bring them down before thy face: so shalt thou drive them out, and destroy them quickly, as the Lord hath said unto thee.

Yet the children of Manasseh could not drive out the inhabitants of those cities; but the Canaanites would dwell in that land.

Yet it came to pass, when the children of Israel were waxen strong, that they put the Canaanites to tribute; but did not utterly drive them out.

Now these are the nations which the Lord left, to prove Israel by them, even as many of Israel as had not known all the wars of Canaan;