Deuteronomy 6:15

6:15 for the Lord your God, who is present among you, is a jealous God and his anger will erupt against you and remove you from the land.

Deuteronomy 30:17-18

30:17 However, if you turn aside and do not obey, but are lured away to worship and serve other gods, 30:18 I declare to you this very day that you will certainly perish! You will not extend your time in the land you are crossing the Jordan to possess.