Deuteronomy 28:13-15

13And Yhwh shall make thee the head, and not the tail; and thou shalt be above only, and thou shalt not be beneath; if that thou hearken unto the commandments of Yhwh thy God, which I command thee this day, to observe and to do them: 14And thou shalt not go aside from any of the words which I command thee this day, to the right hand, or to the left, to go after other gods to serve them.

15But it shall come to pass, if thou wilt not hearken unto the voice of Yhwh thy God, to observe to do all his commandments and his statutes which I command thee this day; that all these curses shall come upon thee, and overtake thee: