Deuteronomy 7:18

Thou shalt not be afraid of them
Neither on account of their number, nor their strength:

but shall well remember what the Lord thy God did unto Pharaoh, and
unto all Egypt;
a people more numerous and potent than the Canaanites, among whom the Lord wrought such wonderful things by his power, which obliged them to let Israel go; and his power was now the same, he could do as great things to the Canaanites as he had to the Egyptians; and as he had delivered them out of the hands of the Egyptians, he could as easily deliver the Canaanites into their hands, and put them into the possession of their country.