1 Chronicles 15:2

Then David said, The ark of God should not be brought except by the Levites, for the LORD has chosen them to carry the ark of God and to minister unto him perpetually.

Deuteronomy 10:8

At that time the LORD separated 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, after their families, by the houses of their fathers,

Numbers 4:19-20

but thus do unto them that they may live, and not die, when they approach unto the holy of holies: Aaron and his sons shall come and place each one of them in his ministry and to his burden.

Numbers 7:9

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

Numbers 8:13-14

And thou shalt cause the Levites to present themselves before Aaron, and before his sons, and offer them for an offering unto the LORD.

Numbers 8:24-26

This regarding the Levites from twenty-five years old and upward, they shall go in to serve in the host of the tabernacle of the testimony.

Numbers 18:1-8

And the LORD said unto Aaron, Thou and thy sons and thy father's house with thee shall bear the iniquity of the sanctuary; and thou and thy sons with thee shall bear the iniquity of your priesthood.

Joshua 3:3

and they commanded the people, saying, When ye see the ark of the covenant of the LORD your God and the priests the Levites bearing it, then ye shall remove 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 shofarot of jubilee 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, built, that ye not carry it any longer upon your shoulders; serve now the LORD your God and his people Israel

Isaiah 66:21

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

Jeremiah 33:17-22

For thus hath the LORD said: 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, after their families, by the houses of their fathers,
Numbers 7:9
But unto the sons of Kohath he gave none; because the ministry of the sanctuary belonging unto them was that they should bear upon their shoulders.
Deuteronomy 10:8
At that time the LORD separated 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 ye see the ark of the covenant of the LORD your God and the priests the Levites bearing it, then ye shall remove 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 shofarot of jubilee 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, built, that ye not carry it any longer upon your shoulders; serve now the LORD your God and his people Israel

To minister

Numbers 8:13
And thou shalt cause the Levites to present themselves before Aaron, and before his sons, and offer them for an offering unto the LORD.
Numbers 18:1
And the LORD said unto Aaron, Thou and thy sons and thy father's house with thee shall bear the iniquity of the sanctuary; and thou and thy sons with thee shall bear the iniquity of your priesthood.
Isaiah 66:21
And I will also take of them for priests and for Levites, saith the LORD.
Jeremiah 33:17
For thus hath the LORD said: David shall never lack a man to sit upon the throne of the house of Israel;