Jeremiah 11:3-4

You must tell them: This is what the LORD, the God of Israel, says: ‘Let a curse be on the man who does not obey the words of this covenant, which I commanded your ancestors when I brought them out of the land of Egypt, out of the iron furnace.’ I declared: ‘Obey Me, and do everything that I command you, and you will be My people, and I will be your God,’