Then David said, "Only the Levites may carry the ark of God, for the Lord chose them to carry the ark of the Lord and to serve before him perpetually.
At that time the Lord set apart the tribe of Levi to carry the ark of the Lord's covenant, to stand before the Lord to serve him, and to formulate blessings in his name, as they do to this very day.
Then Moses wrote down this law and gave it to the Levitical priests, who carry the ark of the Lord's covenant, and to all Israel's elders.
"Take a census of the Kohathites from among the Levites, by their families and by their clans,
but in order that they will live and not die when they approach the most holy things, do this for them: Aaron and his sons will go in and appoint each man to his service and his responsibility.
But to the Kohathites he gave none, because the service of the holy things, which they carried on their shoulders, was their responsibility.
You are to have the Levites stand before Aaron and his sons, and then offer them as a wave offering to the Lord.
"This is what pertains to the Levites: At the age of twenty-five years and upward one may begin to join the company in the work of the tent of meeting,
The Lord said to Aaron, "You and your sons and your tribe with you must bear the iniquity of the sanctuary, and you and your sons with you must bear the iniquity of your priesthood.
and commanded the people: "When you see the ark of the covenant of the Lord your God being carried by the Levitical priests, you must leave here and walk behind it.
So Joshua son of Nun summoned the priests and instructed them, "Pick up the ark of the covenant, and seven priests must carry seven rams' horns in front of the ark of the Lord."
He told the Levites, who instructed all Israel about things consecrated to the Lord, "Place the holy ark in the temple which King Solomon son of David of Israel built. Don't carry it on your shoulders. Now serve the Lord your God and his people Israel!
For I, the Lord, promise: "David will never lack a successor to occupy the throne over the nation of Israel.