Exodus 28:30 in the King James Version
And thou shalt put in the breastplate of judgment the Urim and the Thummim; and they shall be upon Aaron’s heart, when he goeth in before the LORD: and Aaron shall bear the judgment of the children of Israel upon his heart before the LORD continually.
Context
29 Aaron shall bear the names of the children of Israel in the breastplate of judgment on his heart, when he goes in to the holy place, for a memorial before the LORD continually.
30 You shall put in the breastplate of judgment the Urim and the Thummim; and they shall be on Aaron’s heart, when he goes in before the LORD. Aaron shall bear the judgment of the children of Israel on his heart before the LORD continually.
31 “You shall make the robe of the ephod all of blue.