1 Chronicles 15:14

So the priests and the Levites consecrated themselves to bring up the ark of the Lord God of Israel.

Leviticus 10:3

Then Moses said to Aaron, “It is what the Lord spoke, saying,
‘By those who come near Me I will be treated as holy,
And before all the people I will be honored.’”
So Aaron, therefore, kept silent.

2 Chronicles 29:15

They assembled their brothers, consecrated themselves, and went in to cleanse the house of the Lord, according to the commandment of the king by the words of the Lord.

2 Chronicles 29:34

But the priests were too few, so that they were unable to skin all the burnt offerings; therefore their brothers the Levites helped them until the work was completed and until the other priests had consecrated themselves. For the Levites were more conscientious to consecrate themselves than the priests.

Joel 2:16-17

Gather the people, sanctify the congregation,
Assemble the elders,
Gather the children and the nursing infants.
Let the bridegroom come out of his room
And the bride out of her bridal chamber.

Treasury of Scripture Knowledge

Summary

So the priests and the Levites sanctified themselves to bring up the ark of the LORD God of Israel.

Bible References

Sanctified

Leviticus 10:3
Then Moses said to Aaron, “It is what the Lord spoke, saying,
‘By those who come near Me I will be treated as holy,
And before all the people I will be honored.’”
So Aaron, therefore, kept silent.
2 Chronicles 29:15
They assembled their brothers, consecrated themselves, and went in to cleanse the house of the Lord, according to the commandment of the king by the words of the Lord.
Joel 2:16
Gather the people, sanctify the congregation,
Assemble the elders,
Gather the children and the nursing infants.
Let the bridegroom come out of his room
And the bride out of her bridal chamber.