1 Chronicles 15:12

And he will say to them, Ye heads of the fathers to the Levites: ye shall purify yourselves, ye and your brethren, and bring ye up the ark of Jehovah the God of Israel to that I prepared for it.

2 Chronicles 35:6

And slaughter ye the passover and consecrate yourselves, and prepare for your brethren to do according to the word of Jehovah by the hand of Moses.

Exodus 19:14-15

And Moses will come down from the mount to the people, and he will consecrate the people; and they will wash their garments.

1 Chronicles 9:34

These heads to the fathers to the Levites to their generations, heads; these dwelt in Jerusalem.

1 Chronicles 15:1

And he will make to himself houses in the city of David, and, he will prepare a place for the ark of God, and will spread for it a tent,.

1 Chronicles 15:3

And David will convoke all Israel together to Jerusalem, to lift up the ark of Jehovah to its place which he prepared for it.

1 Chronicles 15:14

And the priests will purify themselves and the Levites to bring up the ark of Jehovah God of Israel

1 Chronicles 24:31

And they will also cast lots near their brethren the sons of Aaron before David the king and Zadok, and Ahimelech, and the heads of the fathers to the priests and to the Levites, the fathers the head near his brethren the small

2 Chronicles 5:11

And it will be in the coming forth of the priests from the holy place, (for all the priests being found were consecrated not to watch to the divisions:

2 Chronicles 29:4-5

And he will bring in the priests and the Levites, and he will gather them together to the street of the sunrising,

2 Chronicles 30:15

They will slaughter the passover in the fourteenth to the second month: and the priests and the Levites were ashamed, and they will consecrate themselves and bring burnt-offerings to the house of Jehovah.

Ezekiel 48:11

To the priests being consecrated: of the sons of Zadok, who watched my watches, who went not astray in the going astray of the sons of Israel, as the Levites went astray.

John 17:17

Render them holy in thy truth: thy word is truth.

Romans 12:1-2

I Beseech you therefore, brethren, by the compassions of God, to present your bodies a living sacrifice, holy, pleasing to God, your reasonable service.

Revelation 5:9-10

And they sing a new song, saying, Worthy art thou to take the book, and to open its seals: for thou wert slain, and didst purchase us to God by thy blood from every tribe, and tongue, and 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 heads to the fathers to the Levites to their generations, heads; these dwelt in Jerusalem.
1 Chronicles 24:31
And they will also cast lots near their brethren the sons of Aaron before David the king and Zadok, and Ahimelech, and the heads of the fathers to the priests and to the Levites, the fathers the head near his brethren the small

Sanctify

1 Chronicles 15:14
And the priests will purify themselves and the Levites to bring up the ark of Jehovah God of Israel
Exodus 19:14
And Moses will come down from the mount to the people, and he will consecrate the people; and they will wash their garments.
2 Chronicles 5:11
And it will be in the coming forth of the priests from the holy place, (for all the priests being found were consecrated not to watch to the divisions:
2 Chronicles 29:4
And he will bring in the priests and the Levites, and he will gather them together to the street of the sunrising,
2 Chronicles 30:15
They will slaughter the passover in the fourteenth to the second month: and the priests and the Levites were ashamed, and they will consecrate themselves and bring burnt-offerings to the house of Jehovah.
2 Chronicles 35:6
And slaughter ye the passover and consecrate yourselves, and prepare for your brethren to do according to the word of Jehovah by the hand of Moses.
Ezekiel 48:11
To the priests being consecrated: of the sons of Zadok, who watched my watches, who went not astray in the going astray of the sons of Israel, as the Levites went astray.
John 17:17
Render them holy in thy truth: thy word is truth.
Romans 12:1
I Beseech you therefore, brethren, by the compassions of God, to present your bodies a living sacrifice, holy, pleasing to God, your reasonable service.
Revelation 5:9
And they sing a new song, saying, Worthy art thou to take the book, and to open its seals: for thou wert slain, and didst purchase us to God by thy blood from every tribe, and tongue, and people, and nation;