Original Verse:
Deuteronomy Chapter 7 Verse 22And Jehovah thy God will cast 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.

Reference Verses:
Exodus Chapter 23 Verse 29I will not drive them out from before thee in one year, lest the land become desolate, and the beasts of the field multiply against thee.
Exodus Chapter 23 Verse 30By little and little I will drive them out from before thee, until thou be increased, and inherit the land.
Exodus Chapter 23 Verse 29-30 [29] I will not drive them out from before thee in one year, lest the land become desolate, and the beasts of the field multiply against thee. [30] By little and little I will drive them out from before thee, until thou be increased, and inherit the land.