Numbers 4:17

"When Aaron and his sons have finished covering the sanctuary, and all the furniture of the sanctuar...

"The duty of Eleazar the son of Aaron the priest shall be the oil for the light, the sweet incense, ...

"Do not cut off the tribe of the families of the Kohathites from among the Levites;

but thus do to them, that they may live, and not die, when they approach to the most holy things: Aa...