And the Lord said to Moses,
And you shall appoint Aaron and his sons, and they shall attend to their priesthood; but if any one else comes near, he shall be put to death.”
“Behold, I have taken the Levites from among the people of Israel instead of every first-born that opens the womb among the people of Israel. The Levites shall be mine,
So shall you know that I have sent this command to you, that my covenant with Levi may hold, says the Lord of hosts.