Exodus 28:29-30

29 aSo Aaron shall bear the names of the sons of Israel in the breastpiece of judgment on his heart, when he goes into the Holy Place, to bring them to regular bremembrance before the Lord. 30And in the breastpiece of judgment cyou shall put the Urim and the Thummim, and they shall be on Aaron’s heart, when he goes in before the Lord. Thus Aaron shall bear the judgment of the people of Israel on his heart before the Lord regularly.

Copyright information for ESV