Hebrews 8:4
For if he were on earth, he would not be a priest, seeing that there are priests that offer gifts according to the law:
Numbers 16:40
To be a memorial unto the children of Israel, that no stranger, who is not of the descendants of Aaron, come near to offer incense before the LORD; that he become not as Korah, and as his company: as the LORD said to him by the hand of Moses.
Numbers 17:12-13
And the children of Israel spoke unto Moses, saying, Behold, we die, we perish, we all perish.
Numbers 18:5
And you shall keep the duties of the sanctuary, and the duties of the altar: that there be no wrath any more upon the children of Israel.
2 Chronicles 26:18-19
And they withstood Uzziah the king, and said unto him, It belongs not unto you, Uzziah, to burn incense unto the LORD, but to the priests the sons of Aaron, that are consecrated to burn incense: go out of the sanctuary; for you have trespassed; neither shall it be for your honor from the LORD God.
Hebrews 5:1
For every high priest taken from among men is ordained for men in things pertaining to God, that he may offer both gifts and sacrifices for sins:
Hebrews 7:11-15
If therefore perfection were by the Levitical priesthood, (for under it the people received the law,) what further need was there that another priest should rise after the order of Melchizedek, and not be called after the order of Aaron?
Hebrews 11:4
By faith Abel offered unto God a more excellent sacrifice than Cain, by which he obtained witness that he was righteous, God testifying of his gifts: and by it he being dead yet speaks.