Exodus 28:12
12 And you shall set the two stones on the shoulder pieces of the ephod, as stones of remembrance for the sons of Israel. And iAaron shall bear their names before the Lord on his two shoulders jfor remembrance.
Exodus 28:30
30 And in the breastpiece of judgment pyou 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.