Then the LORD told Moses, "Go to Pharaoh, for I've hardened his heart and the hearts of his officials in order to perform these signs of mine among them,

You are to put the Urim and Thummim into the breast piece of judgment, and they are to be on Aaron's heart when he goes into the LORD's presence. He is to carry the breast piece of decision that depicts Israel's sons on his heart in the LORD's presence continuously."