Deuteronomy 24:6

24:6 One must not take either lower or upper millstones as security on a loan, for that is like taking a life itself as security.

Deuteronomy 27:22

27:22 ‘Cursed is the one who has sexual relations with his sister, the daughter of either his father or mother.’ Then all the people will say, ‘Amen!’

Deuteronomy 28:14

28:14 But you must not turn away from all the commandments I am giving you today, to either the right or left, nor pursue other gods and worship them.