1 Chronicles 15:14

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

Leviticus 10:3

Then Moses said to Aaron, "This is what the LORD spoke of, saying, 'I will show myself holy to those who come near me, and before all the people I will be glorified.'" Aaron held his peace.

2 Chronicles 29:15

They gathered their brothers, and sanctified themselves, and went in, according to the commandment of the king by the words of the LORD, to cleanse the house of the LORD.

2 Chronicles 29:34

But the priests were too few, so that they could not flay all the burnt offerings: therefore their brothers the Levites helped them, until the work was ended, and until the priests had sanctified themselves; for the Levites were more upright in heart to sanctify themselves than the priests.

Joel 2:16-17

Gather the people. Sanctify the assembly. Assemble the elders. Gather the children, and those who suck the breasts. Let the bridegroom go forth from his room, and the bride out of her 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, "This is what the LORD spoke of, saying, 'I will show myself holy to those who come near me, and before all the people I will be glorified.'" Aaron held his peace.
2 Chronicles 29:15
They gathered their brothers, and sanctified themselves, and went in, according to the commandment of the king by the words of the LORD, to cleanse the house of the LORD.
Joel 2:16
Gather the people. Sanctify the assembly. Assemble the elders. Gather the children, and those who suck the breasts. Let the bridegroom go forth from his room, and the bride out of her chamber.