So they set out from the mountain of the Lord (Sinai) three days’ journey; and the ark of the covenant of the Lord went in front of them during the three days’ journey to seek out a resting place for them.

But Moses said to him, “Are you jealous for my sake? Would that all the Lord’s people were prophets and that the Lord would put His Spirit upon them!”

and that He has brought you near [to Him], Korah and all your brothers, sons of Levi with you? Would you seek the priesthood also?

everything that can stand fire, you shall pass through fire, and it shall be clean. Nevertheless, it shall also be purified with the water of purification [to remove its impurity]; and all that cannot stand fire [such as fabrics] you shall pass through water.