Numbers 3:10-12

Revised Standard Version

¹⁰ 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.”

¹¹ And the Lord said to Moses, ¹² “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,