Deuteronomy 7:14-20

You shall be blessed above all peoples; there will be no male or female barren (childless, infertile) among you or among your cattle. The LORD will take away from you all sickness; and He will not subject you to any of the harmful diseases of Egypt which you have known, but He will impose them on all [those] who hate you. And you shall consume all the peoples whom the LORD your God will give over to you; your eye shall not pity them, nor shall you serve their gods, for that would be a [deadly] trap to you. “If you say in your heart, ‘These nations are greater than I am; how can I dispossess them?’ you shall not be afraid of them; you shall remember [with confidence] what the LORD your God did to Pharaoh and to all Egypt— the great trials which you saw with your own eyes, and the signs, the wonders, the mighty hand and the outstretched arm by which the LORD your God brought you out. So shall the LORD your God do to all the peoples of whom you are afraid. Moreover, the LORD your God will send the hornet (His terror) against them, until those who are left and hide themselves from you perish.