Bible Verses About Urim and Thummin: Placed in the breastplate of the high priest

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 Jehovah: and Aaron shall bear the judgment of the children of Israel upon his heart before Jehovah continually.

And he placed the breastplate upon him: and in the breastplate he put the Urim and the Thummim.