Treasury of Scripture Knowledge

Summary

But the priests were too few, so that they could not flay all the burnt offerings: wherefore their brethren the Levites did help them, till the work was ended, and until the other priests had sanctified themselves: for the Levites were more upright in heart to sanctify themselves than the priests.

For the levites

Bible References

Their brethren

2 Chronicles 35:11
And they put the Passover lambs to death, the blood being drained out by the priests when it was given to them, and the Levites did the skinning.
Numbers 8:15
After that, the Levites will go in to do whatever has to be done in the Tent of meeting; you are to make them clean and give them as a wave offering.
Numbers 18:3
They are to do your orders and be responsible for the work of the Tent; but they may not come near the vessels of the holy place or the altar, so that death may not overtake them or you.

For the levites

2 Chronicles 30:3
It was not possible to keep it at that time, because not enough priests had made themselves holy, and the people had not come together in Jerusalem.

Upright

1 Chronicles 29:17
And I am conscious, my God, that you are the searcher of hearts, taking pleasure in righteousness. As for me, with an upright heart I have freely given all these things; and I have seen with joy your people who are here to make their offerings freely to you.
Psalm 7:10
God, who is the saviour of the upright in heart, is my breastplate.
Psalm 26:6
I will make my hands clean from sin; so will I go round your altar, O Lord;
Psalm 94:15
But decisions will again be made in righteousness; and they will be kept by all whose hearts are true.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain