EXO 28:30

30 Forsooth thou shalt set in the rational of doom, teaching and truth, which shall be in the breast of Aaron, when he entereth before the Lord; and he shall bear the doom of the sons of Israel in his breast in the sight of the Lord ever[[more]]. (And thou shalt put in the breastpiece of judgement the Urim and the Thummim, which shall be on Aaron’s breast, when he entereth before the Lord; and he shall carry these symbols of the judgement of the Israelites upon his breast before the Lord forevermore.)