Jeremiah 11:3-4

and thou shalt say unto them, Thus hath the LORD God of Israel said: Cursed be the man that does not hear the words of this covenant, which I commanded your fathers the day that I brought them forth out of the land of Egypt, from the iron furnace, saying unto them, hear my voice and comply with my words according to all which I command you; and ye shall be my people, and I will be your God