Deuteronomy 7:22

New Century Version

When the Lord your God forces those nations out of the land, he will do it little by little ahead of you. You won’t be able to destroy them all at once; otherwise, the wild animals will grow too many in number.

Cross References

Deuteronomy 9:3

But today remember that the Lord your God goes in before you to destroy them like a fire that burns things up. He will defeat them ahead of you, and you will force them out and destroy them quickly, just as the Lord has said.

Joshua 15:63

The army of Judah was not able to force out the Jebusites living in Jerusalem, so the Jebusites still live among the people of Judah to this day.