81 The Lord spoke to Moses, saying, 2 "Take Aaron and his sons with him, and the garments and the anointing oil and the bull of the sin offering and the two rams and the basket of unleavened bread. 3 And assemble all the congregation at the entrance of the tent of meeting." 4 And Moses did as the Lord commanded him, and the congregation was assembled at the entrance of the tent of meeting. 5 And Moses said to the congregation, "This is the thing that the Lord has commanded to be done." 6 And Moses brought Aaron and his sons and washed them with water. 7 And he put the coat on him and tied the sash around his waist and clothed him with the robe and put the ephod on him and tied the skillfully woven band of the ephod around him, binding it to him with the band.[1] 8 And he placed the breastpiece on him, and in the breastpiece he put the Urim and the Thummim. 9 And he set the turban on his head, and on the turban, in front, he set the golden plate, the holy crown, as the Lord commanded Moses. 10 Then Moses took the anointing oil and anointed the tabernacle and all that was in it, and consecrated them. 11 And he sprinkled some of it on the altar seven times, and anointed the altar and all its utensils and the basin and its stand, to consecrate them. 12 And he poured some of the anointing oil on Aaron's head and anointed him to consecrate him. 13 And Moses brought Aaron's sons and clothed them with coats and tied sashes around their waists and bound caps on them, as the Lord 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.