Only be strong and very courageous, to observe to do according to all the law, which Moses my servant commanded you: don't turn from it to the right hand or to the left, that you may have good success wherever you go.
HAGGAI: In this prophecy, we actually have Haggai assembling the priests and asking their opinion of certain things laid down in the Law of Moses  (Haggai 2:11-13).