The Lord spake unto Moses This is here premised to show that Moses did not confer the priesthood upon his brother Aaron because of his relation or affection to him, but by God's appointment. Take Aaron, and his sons with him All directions which were needful being given respecting sacrifices, and the rites belonging to them, Moses is now ordered to consecrate the priests according to the injunctions given before, Exodus 28., Exodus 28:29., and 30.
Related Commentaries of Leviticus 8:1
Leviticus 8:1-2
1 And the LORD spake unto Moses, saying,
2 Take Aaron and his sons with him, and the garments, and the anointing oil, and a bullock for the sin offering, and two rams, and a basket of unleavened bread;