2 Chronicles 13:10
But as for us, the LORD is our God, and we have not forsaken him; and the priests, which minister unto the LORD, are the sons of Aaron, and the Levites wait upon their business;
Exodus 19:5-6
Now therefore, if ye will give ear to hearken unto my voice and keep my covenant, then ye shall be a special treasure unto me above all peoples; for all the earth is mine.
Exodus 29:1-37
And this is what thou shalt do unto them to sanctify them that they shall be my priests: Take one young bullock and two perfect rams
Numbers 16:40
to be a memorial unto the sons of Israel, that no stranger who is not of the seed of Aaron come near to offer incense before the LORD, that he not be as Korah and as his company, as the LORD said to him by the hand of Moses.
Numbers 18:1-7
And the LORD said unto Aaron, Thou and thy sons and thy father's house with thee shall bear the iniquity of the sanctuary; and thou and thy sons with thee shall bear the iniquity of your priesthood.
2 Chronicles 11:16-17
And from after them out of all the tribes of Israel such as set their hearts to seek the LORD God of Israel came to Jerusalem to sacrifice unto the LORD God of their fathers.
Zechariah 13:9
And I will put the third part into the fire and will refine them as silver is refined and will try them as gold is tried; He shall call on my name, and I will hear him; I will say, My people, and he shall say, The LORD is my God.