Exodus 28:30

28:30 “You are to put the Urim and the Thummim into the breastpiece of decision; and they are to be over Aaron’s heart when he goes in before the Lord. Aaron is to bear the decisions of the Israelites over his heart before the Lord continually.

Leviticus 8:8

8:8 He then set the breastpiece on him and put the Urim and Thummim into the breastpiece.

Numbers 27:21

27:21 And he will stand before Eleazar the priest, who will seek counsel for him before the Lord by the decision of the Urim. At his command they will go out, and at his command they will come in, he and all the Israelites with him, the whole community.”

Deuteronomy 33:8

Blessing on Levi

33:8 Of Levi he said:

Your Thummim and Urim belong to your godly one,

whose authority you challenged at Massah,

and with whom you argued at the waters of Meribah.

Deuteronomy 33:1

Introduction to the Blessing of Moses

33:1 This is the blessing Moses the man of God pronounced upon the Israelites before his death.

Deuteronomy 28:6

28:6 You will be blessed when you come in and blessed when you go out.