Deuteronomy 13:8

13:8 You must not give in to him or even listen to him; do not feel sympathy for him or spare him or cover up for him.

Deuteronomy 27:2

27:2 When you cross the Jordan River to the land the Lord your God is giving you, you must erect great stones and cover them with plaster.

Deuteronomy 27:4

27:4 So when you cross the Jordan you must erect on Mount Ebal these stones about which I am commanding you today, and you must cover them with plaster.