Hebrews 8:4
Now if He were [still living] on earth, He would not be a priest at all, for there are priests who offer the gifts [to God] in accordance with the Law.
Numbers 16:40
as a reminder to the sons of Israel so that no layman—that is, one who is not of the descendants of Aaron should approach to offer incense before the Lord; so that he will not become like Korah and as his company—just as the Lord had said to him through Moses.
Numbers 17:12-13
The sons of Israel said to Moses, “Look, we perish, we are doomed, all doomed!
Numbers 18:5
So you shall attend to the duties of the sanctuary and the duties of the altar [of burnt offering and the altar of incense], so that there will no longer be wrath on the Israelites [as with Korah, Dathan, and Abiram].
2 Chronicles 26:18-19
They opposed King Uzziah and said to him, “It is not for you, Uzziah, to burn incense to the Lord, but for the priests, the sons of Aaron who have been consecrated to burn incense. Get out of the sanctuary, for you have been unfaithful and will have no honor from the Lord God.”
Hebrews 5:1
For every high priest chosen from among men is appointed [to act] on behalf of men in things relating to God, so that he may offer both gifts and sacrifices for sins.
Hebrews 7:11-15
Now if perfection [a perfect fellowship between God and the worshiper] had been attained through the Levitical priesthood (for under it the people were given the Law) what further need was there for another and different kind of priest to arise, one in the manner of Melchizedek, rather than one appointed to the order of Aaron?
Hebrews 11:4
By faith Abel offered to God a more acceptable sacrifice than Cain, through which it was testified of him that he was righteous (upright, in right standing with God), and God testified by accepting his gifts. And though he died, yet through [this act of] faith he still speaks.