1 Chronicles 15:12 in the King James Version
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.
Context
11 David called for Zadok and Abiathar the priests, and for the Levites: for Uriel, Asaiah, Joel, Shemaiah, Eliel, and Amminadab,
12 and said to them, “You are the heads of the fathers’ households of the Levites. Sanctify yourselves, both you and your brothers, that you may bring the ark of the LORD, the God of Israel, up to the place that I have prepared for it.
13 For because you didn’t carry it at first, the LORD our God broke out in anger against us, because we didn’t seek him according to the ordinance.”