And thou shalt put in the breastplate of judgment the (n) 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.
(n) Urim signifies light, and thummim perfection: declaring that the stones of the breastplate were most clear, and of perfect beauty: by urim also is meant knowledge, and thummim holiness, showing what virtues are required in the priests.