Exodus 23:30 in the World English Bible
Little by little I will drive them out from before you, until you have increased and inherit the land.
Context
29 I will not drive them out from before thee in one year; lest the land become desolate, and the beast 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.
31 And I will set thy bounds from the Red sea even unto the sea of the Philistines, and from the desert unto the river: for I will deliver the inhabitants of the land into your hand; and thou shalt drive them out before thee.