Deuteronomy 4:31

4:31 (for he is a merciful God), he will not let you down or destroy you, for he cannot forget the covenant with your ancestors that he confirmed by oath to them.

Deuteronomy 13:18

13:18 Thus you must obey the Lord your God, keeping all his commandments that I am giving you today and doing what is right before him.

Deuteronomy 17:1

17:1 You must not sacrifice to him a bull or sheep that has a blemish or any other defect, because that is considered offensive to the Lord your God.