Deuteronomy 7:16
Exhortation to Destroy Canaanite Paganism
7:16 You must destroy all the people whom the Lord your God is about to deliver over to you; you must not pity them or worship their gods, for that will be a snare to you.
Deuteronomy 19:21
19:21 You must not show pity; the principle will be a life for a life, an eye for an eye, a tooth for a tooth, a hand for a hand, and a foot for a foot.
Deuteronomy 30:3
30:3 the Lord your God will reverse your captivity and have pity on you. He will turn and gather you from all the peoples among whom he has scattered you.