Numbers 4:18-20

New International Version

¹⁸ “See that the Kohathite tribal clans are not destroyed from among the Levites. ¹⁹ So that they may live and not die when they come near the most holy things,^(A) do this for them: Aaron and his sons^(B) are to go into the sanctuary and assign to each man his work and what he is to carry.^{(C) 20} But the Kohathites must not go in to look^(D) at the holy things, even for a moment, or they will die.”