Or, thou shalt not be able to consume them at once, i.e. in an instant. I will not assist thee with my omnipotency, to crush them in a moment, but will bless thee in the use of ordinary means, and destroy them successively by several battles.
Related Commentaries of Deuteronomy 7:22
Deuteronomy 7:22
22 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.