Numbers 3:9-11

Darby Translation

⁹ And thou shalt give the Levites to Aaron and to his sons: they are wholly given to him out of the children of Israel.

¹⁰ And Aaron and his sons shalt thou appoint that they may attend to their priest's office; and the stranger that cometh near shall be put to death.

¹¹ And Jehovah spoke to Moses, saying,