1 Chronicles 15:2

Then, said David, None must carry the ark of God, save the Levites, - for, of them, did Yahweh make choice, to bear the ark of Yahweh, and to attend it, unto times age-abiding.

Deuteronomy 10:8

At that time, did Yahweh separate the tribe of Levi, to bear the ark of the covenant of Yahweh, - to stand before Yahweh to wait upon him and to bless in his name (until this day).

Deuteronomy 31:9

And Moses wrote this law, and delivered it unto the priests the sons of Levi, who were bearing the ark of the covenant of Yahweh, - and unto all the elders of Israel.

Numbers 4:2-15

Reckon up the sum of the sons of Kohath, out of the midst of the sons of Levi, - by their families by their ancestral house:

Numbers 4:19-20

This, therefore, do ye for them, so shall they live and not die when they approach the most holy place, - Aaron and his sons shall enter and set them man by man over his labour, and unto his burden;

Numbers 7:9

but, unto the sons of Kohath, gave he none, - because as to the laborious work of the sanctuary which pertained unto them, upon their shoulders, were they to carry it.

Numbers 8:13-14

Thus shalt thou cause the Levites to stand before Aaron and before his sons, - thus shalt thou offer them as a wave-offering unto Yahweh;

Numbers 8:24-26

This is what concerneth the Levites, - from twenty-five years old and upwards, shall they enter to take rank in the host, for doing the laborious work of the tent of meeting;

Numbers 18:1-8

And Yahweh said unto Aaron, Thou and thy sons and the house of thy father 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 commanded the people saying, When ye see the ark of the covenant of Yahweh your God, and, the priests the Levites, bearing it, ye also, shall break up out of your place, and come after it.

Joshua 6:6

Then called Joshua son of Nun unto the priests, and said unto them, Bear ye the ark of the covenant, - and let, seven priest, bear seven rams horns, before the ark of Yahweh.

2 Chronicles 35:3

and said to the Levites who gave instruction to all Israel as to the things which were hallowed unto Yahweh, Put the holy ark in the house which Solomon son of David king of Israel did build, it is not yours as a burden on the shoulder, - Now, serve ye Yahweh your God, and his people Israel;

Isaiah 66:21

And of them also, will I take for priests - for Levites, saith Yahweh,

Jeremiah 33:17-22

For, Thus, saith Yahweh, - There shall not be wanting to David - 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
Reckon up the sum of the sons of Kohath, out of the midst of the sons of Levi, - by their families by their ancestral house:
Numbers 7:9
but, unto the sons of Kohath, gave he none, - because as to the laborious work of the sanctuary which pertained unto them, upon their shoulders, were they to carry it.
Deuteronomy 10:8
At that time, did Yahweh separate the tribe of Levi, to bear the ark of the covenant of Yahweh, - to stand before Yahweh to wait upon him and to bless in his name (until this day).
Deuteronomy 31:9
And Moses wrote this law, and delivered it unto the priests the sons of Levi, who were bearing the ark of the covenant of Yahweh, - and unto all the elders of Israel.
Joshua 3:3
and commanded the people saying, When ye see the ark of the covenant of Yahweh your God, and, the priests the Levites, bearing it, ye also, shall break up out of your place, and come after it.
Joshua 6:6
Then called Joshua son of Nun unto the priests, and said unto them, Bear ye the ark of the covenant, - and let, seven priest, bear seven rams horns, before the ark of Yahweh.
2 Chronicles 35:3
and said to the Levites who gave instruction to all Israel as to the things which were hallowed unto Yahweh, Put the holy ark in the house which Solomon son of David king of Israel did build, it is not yours as a burden on the shoulder, - Now, serve ye Yahweh your God, and his people Israel;

To minister

Numbers 8:13
Thus shalt thou cause the Levites to stand before Aaron and before his sons, - thus shalt thou offer them as a wave-offering unto Yahweh;
Numbers 18:1
And Yahweh said unto Aaron, Thou and thy sons and the house of thy father 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 of them also, will I take for priests - for Levites, saith Yahweh,
Jeremiah 33:17
For, Thus, saith Yahweh, - There shall not be wanting to David - A man to sit upon the throne of the house of Israel;