2 Chronicles 13:10

But as for us, the Lord is our God, and we have not forsaken Him; and the sons of Aaron are ministering to the Lord as priests, and the Levites attend to their work.

Exodus 19:5-6

Now then, if you will indeed obey My voice and keep My covenant, then you shall be My own possession among all the peoples, for all the earth is Mine;

Exodus 29:1-37

Now this is what you shall do to them to consecrate them to minister as priests to Me: take one young bull and two rams without blemish,

Numbers 16:40

as a reminder to the sons of Israel that no layman who is not of the descendants of Aaron should come near to burn incense before the Lord; so that he will not become like Korah and his company—just as the Lord had spoken to him through Moses.

Numbers 18:1-7

So the Lord said to Aaron, “You and your sons and your father’s household with you shall bear the guilt in connection with the sanctuary, and you and your sons with you shall bear the guilt in connection with your priesthood.

2 Chronicles 11:16-17

Those from all the tribes of Israel who set their hearts on seeking the Lord God of Israel followed them to Jerusalem, to sacrifice to the Lord God of their fathers.

Zechariah 13:9

“And I will bring the third part through the fire,
Refine them as silver is refined,
And test them as gold is tested.
They will call on My name,
And I will answer them;
I will say, ‘They are My people,’
And they will say, ‘The Lord is my God.’”

Treasury of Scripture Knowledge

Summary

But as for us, the LORD is our God, and we have not forsaken him; and the priests, which minister unto the LORD, are the sons of Aaron, and the Levites wait upon their business:

Bible References

The lord

2 Chronicles 11:16
Those from all the tribes of Israel who set their hearts on seeking the Lord God of Israel followed them to Jerusalem, to sacrifice to the Lord God of their fathers.
Exodus 19:5
Now then, if you will indeed obey My voice and keep My covenant, then you shall be My own possession among all the peoples, for all the earth is Mine;
Zechariah 13:9
“And I will bring the third part through the fire,
Refine them as silver is refined,
And test them as gold is tested.
They will call on My name,
And I will answer them;
I will say, ‘They are My people,’
And they will say, ‘The Lord is my God.’”

The priests

Exodus 29:1
Now this is what you shall do to them to consecrate them to minister as priests to Me: take one young bull and two rams without blemish,
Numbers 16:40
as a reminder to the sons of Israel that no layman who is not of the descendants of Aaron should come near to burn incense before the Lord; so that he will not become like Korah and his company—just as the Lord had spoken to him through Moses.
Numbers 18:1
So the Lord said to Aaron, “You and your sons and your father’s household with you shall bear the guilt in connection with the sanctuary, and you and your sons with you shall bear the guilt in connection with your priesthood.