1 Chronicles 15:12

and said to them, "You are the heads of the fathers' [houses] of the Levites. Sanctify yourselves, 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.

2 Chronicles 35:6

Kill the Passover, and sanctify yourselves, and prepare for your brothers, to do according to the word of Yahweh by Moses."

Exodus 19:14-15

Moses went down from the mountain to the people, and sanctified the people; and they washed their clothes.

1 Chronicles 9:34

These were heads of fathers' [houses] of the Levites, throughout their generations, chief men: these lived at Jerusalem.

1 Chronicles 15:1

[David] made him houses in the city of David; and he prepared a place for the ark of God, and pitched for it a tent.

1 Chronicles 15:3

David assembled all Israel at Jerusalem, to bring up the ark of Yahweh to its place, which he had prepared for it.

1 Chronicles 15:14

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

1 Chronicles 24:31

These likewise cast lots even as their brothers the sons of Aaron in the presence of David the king, and Zadok, and Ahimelech, and the heads of the fathers' [houses] of the priests and of the Levites; the fathers' [houses] of the chief even as those of his younger brother.

2 Chronicles 5:11

It happened, when the priests were come out of the holy place, (for all the priests who were present had sanctified themselves, and did not keep their divisions;

2 Chronicles 29:4-5

He brought in the priests and the Levites, and gathered them together into the broad place on the east,

2 Chronicles 30:15

Then they killed the Passover on the fourteenth [day] of the second month: and the priests and the Levites were ashamed, and sanctified themselves, and brought burnt offerings into the house of Yahweh.

Ezekiel 48:11

[It shall be] for the priests who are sanctified of the sons of Zadok, who have kept my instruction, who didn't go astray when the children of Israel went astray, as the Levites went astray.

John 17:17

Sanctify them in your truth. Your word is truth.

Romans 12:1-2

Therefore I urge you, brothers, by the mercies of God, to present your bodies a living sacrifice, holy, acceptable to God, which is your spiritual service.

Revelation 5:9-10

They sang a new song, saying, "You are worthy to take the book, and to open its seals: for you were killed, and bought us for God with your blood, out of every tribe, language, people, and nation,

Treasury of Scripture Knowledge

Summary

And said unto them, Ye are the chief of the fathers of the Levites: sanctify yourselves, both ye and your brethren, that ye may bring up the ark of the LORD God of Israel unto the place that I have prepared for it.

Bible References

Ye are the chief

1 Chronicles 9:34
These were heads of fathers' [houses] of the Levites, throughout their generations, chief men: these lived at Jerusalem.
1 Chronicles 24:31
These likewise cast lots even as their brothers the sons of Aaron in the presence of David the king, and Zadok, and Ahimelech, and the heads of the fathers' [houses] of the priests and of the Levites; the fathers' [houses] of the chief even as those of his younger brother.

Sanctify

1 Chronicles 15:14
So the priests and the Levites sanctified themselves to bring up the ark of Yahweh, the God of Israel.
Exodus 19:14
Moses went down from the mountain to the people, and sanctified the people; and they washed their clothes.
2 Chronicles 5:11
It happened, when the priests were come out of the holy place, (for all the priests who were present had sanctified themselves, and did not keep their divisions;
2 Chronicles 29:4
He brought in the priests and the Levites, and gathered them together into the broad place on the east,
2 Chronicles 30:15
Then they killed the Passover on the fourteenth [day] of the second month: and the priests and the Levites were ashamed, and sanctified themselves, and brought burnt offerings into the house of Yahweh.
2 Chronicles 35:6
Kill the Passover, and sanctify yourselves, and prepare for your brothers, to do according to the word of Yahweh by Moses."
Ezekiel 48:11
[It shall be] for the priests who are sanctified of the sons of Zadok, who have kept my instruction, who didn't go astray when the children of Israel went astray, as the Levites went astray.
John 17:17
Sanctify them in your truth. Your word is truth.
Romans 12:1
Therefore I urge you, brothers, by the mercies of God, to present your bodies a living sacrifice, holy, acceptable to God, which is your spiritual service.
Revelation 5:9
They sang a new song, saying, "You are worthy to take the book, and to open its seals: for you were killed, and bought us for God with your blood, out of every tribe, language, people, and nation,