Deuteronomy 29:19-20

19When someone hears the words of this oath, he may consider himself exempt, thinking, ‘I will have peace even though I follow my own stubborn heart.’ This will lead to the destruction of the well-watered land as well as the dry land.

20The Lord will not be willing to forgive him. Instead, his anger and jealousy will burn against that person, and every curse written in this scroll will descend on him. The Lord will blot out his name under heaven,