Exodus 23:30 in the King James Version
By little and little I will drive them out from before thee, until thou be increased, and inherit the land.
Context
29 I will not drive them out from before you in one year, lest the land become desolate, and the animals of the field multiply against you.
30 Little by little I will drive them out from before you, until you have increased and inherit the land.
31 I will set your border from the Red Sea even to the sea of the Philistines, and from the wilderness to the River; for I will deliver the inhabitants of the land into your hand, and you shall drive them out before you.