1 Chronicles 15:2

Then David said, None ought to carry the ark of God but the Levites: for them has the LORD chosen to carry the ark of God, and to minister unto him forever.

Deuteronomy 10:8

At that time the LORD set apart the tribe of Levi, to bear the ark of the covenant of the LORD, to stand before the LORD to minister unto him, and to bless in his name, unto this day.

Deuteronomy 31:9

And Moses wrote this law, and delivered it unto the priests the sons of Levi, who bore the ark of the covenant of the LORD, and unto all the elders of Israel.

Numbers 4:2-15

Take the sum of the sons of Kohath from among the sons of Levi, by their families, by the house of their fathers,

Numbers 4:19-20

But thus do unto them, that they may live, and not die, when they approach unto the most holy things: Aaron and his sons shall go in, and appoint them every one to his service and to his burden:

Numbers 7:9

But unto the sons of Kohath he gave none: because the service of the sanctuary belonging unto them was that they should bear them upon their shoulders.

Numbers 8:13-14

And you shall set the Levites before Aaron, and before his sons, and offer them for an offering unto the LORD.

Numbers 8:24-26

This is what pertains to the Levites: from twenty and five years old and upward they shall go in to wait upon the service of the tabernacle of meeting:

Numbers 18:1-8

And the LORD said unto Aaron, You and your sons and your father's house with you shall bear the iniquity in connection with the sanctuary: and you and your sons with you shall bear the iniquity in connection with your priesthood.

Joshua 3:3

And they commanded the people, saying, When you see the ark of the covenant of the LORD your God, and the priests the Levites bearing it, then you shall set out from your place, and go after it.

Joshua 6:6

And Joshua the son of Nun called the priests, and said unto them, Take up the ark of the covenant, and let seven priests bear seven trumpets of rams' horns before the ark of the LORD.

2 Chronicles 35:3

And said unto the Levites that taught all Israel, who were holy unto the LORD, Put the holy ark in the house which Solomon the son of David king of Israel did build; it shall no longer be a burden upon your shoulders: serve now the LORD your God, and his people Israel,

Isaiah 66:21

And I will also take some of them for priests and for Levites, says the LORD.

Jeremiah 33:17-22

For thus says the LORD; David shall never lack a man to sit upon the throne of the house of Israel;

Treasury of Scripture Knowledge

Summary

Then David said, None ought to carry the ark of God but the Levites: for them hath the LORD chosen to carry the ark of God, and to minister unto him for ever.

Bible References

None ought to, etc

Numbers 4:2
Take the sum of the sons of Kohath from among the sons of Levi, by their families, by the house of their fathers,
Numbers 7:9
But unto the sons of Kohath he gave none: because the service of the sanctuary belonging unto them was that they should bear them upon their shoulders.
Deuteronomy 10:8
At that time the LORD set apart the tribe of Levi, to bear the ark of the covenant of the LORD, to stand before the LORD to minister unto him, and to bless in his name, unto this day.
Deuteronomy 31:9
And Moses wrote this law, and delivered it unto the priests the sons of Levi, who bore the ark of the covenant of the LORD, and unto all the elders of Israel.
Joshua 3:3
And they commanded the people, saying, When you see the ark of the covenant of the LORD your God, and the priests the Levites bearing it, then you shall set out from your place, and go after it.
Joshua 6:6
And Joshua the son of Nun called the priests, and said unto them, Take up the ark of the covenant, and let seven priests bear seven trumpets of rams' horns before the ark of the LORD.
2 Chronicles 35:3
And said unto the Levites that taught all Israel, who were holy unto the LORD, Put the holy ark in the house which Solomon the son of David king of Israel did build; it shall no longer be a burden upon your shoulders: serve now the LORD your God, and his people Israel,

To minister

Numbers 8:13
And you shall set the Levites before Aaron, and before his sons, and offer them for an offering unto the LORD.
Numbers 18:1
And the LORD said unto Aaron, You and your sons and your father's house with you shall bear the iniquity in connection with the sanctuary: and you and your sons with you shall bear the iniquity in connection with your priesthood.
Isaiah 66:21
And I will also take some of them for priests and for Levites, says the LORD.
Jeremiah 33:17
For thus says the LORD; David shall never lack a man to sit upon the throne of the house of Israel;