9. And thou shalt give the Levites unto Aaron and to his sons; they are completely given unto him out of the sons of Israel.
10. And thou shalt appoint Aaron and his sons that they shall guard their priesthood; and the stranger that comes near shall be put to death.
11. And the Lord spoke unto Moses, saying,
12. Behold, I have taken the Levites from among the sons of Israel instead of all the firstborn that open the womb among the sons of Israel; therefore the Levites shall be mine;
13. because all the firstborn are mine; from the day that I smote all the firstborn in the land of Egypt, I sanctified unto me all the firstborn in Israel, both of men and of animals; they shall be mine: I am the Lord.
14. The Lord also spoke unto Moses in the wilderness of Sinai, saying,