and said to them, “You are the heads of the fathers’ households of the Levites. Make yourselves holy, both you and your brothers, that you may bring up the ark of Yahweh the God of Israel to the place that I have prepared for it.
“make yourselves holy.” The people were to do what it took to make themselves holy in the sight of God (cp. Lev. 11:44). [For more on “make yourselves holy,” see commentary on Joshua 3:5].