Deuteronomy 7:22

New English Translation

He, the God who leads you, will expel the nations little by little. You will not be allowed to destroy them all at once lest the wild animals overrun you.

Cross References

Deuteronomy 9:3

Understand today that the Lord your God who goes before you is a devouring fire; he will defeat and subdue them before you. You will dispossess and destroy them quickly just as he has told you.

Joshua 15:63

The men of Judah were unable to conquer the Jebusites living in Jerusalem. The Jebusites live with the people of Judah in Jerusalem to this very day.