Deuteronomy 28:44-46

44He will lend to you, but you will not lend to him; he will become the head and you will become the tail.

45“All these curses will come upon you and pursue you and overtake you until you are destroyed—because you did not listen to the voice of Adonai your God, to keep His mitzvot and statutes that He commanded you.

46They will be a sign and a wonder on you and your descendants forever.