81 God spoke to Moses. He said, 2 "Take Aaron and with him his sons, the garments, the anointing oil, the bull for the Absolution-Offering, the two rams, and the basket of unraised bread. 3 Gather the entire congregation at the entrance of the Tent of Meeting." 4 Moses did just as God commanded him and the congregation gathered at the entrance of the Tent of Meeting. 5 Moses addressed the congregation: "This is what God has commanded to be done." 6 Moses brought Aaron and his sons forward and washed them with water. 7 He put the tunic on Aaron and tied it around him with a sash. Then he put the robe on him and placed the Ephod on him. He fastened the Ephod with a woven belt, making it snug. 8 He put the Breastpiece on him and put the Urim and Thummim in the pouch of the Breastpiece. 9 He placed the turban on his head with the gold plate fixed to the front of it, the holy crown, just as God had commanded Moses. 10 Then Moses took the anointing oil and anointed The Dwelling and everything that was in it, consecrating them. 11 He sprinkled some of the oil on the Altar seven times, anointing the Altar and all its utensils, the Washbasin and its stand, consecrating them. 12 He poured some of the anointing oil on Aaron's head, anointing him and thus consecrating him. 13 Moses brought Aaron's sons forward and put tunics on them, belted them with sashes, and put caps on them, just as God had commanded Moses.
Matthew Henry's Commentary on Leviticus 8:1-13
Commentary on Leviticus 8:1-13
(Read Leviticus 8:1-13)
The consecration of Aaron and his sons had been delayed until the tabernacle had been prepared, and the laws of the sacrifices given. Aaron and his sons were washed with water, to signify that they ought to purify themselves from all sinful dispositions, and ever after to keep themselves pure. Christ washes those from their sins in his own blood whom he makes kings and priests to our God, Hebrews 10:22. The anointing of Aaron was to typify the anointing of Christ with the Spirit, which was not given by measure to him. All believers have received the anointing.