Then you shall take part of the blood that is on the altar, and of the anointing oil, and sprinkle it on Aaron and his garments, and on his sons and his sons’ garments with him. He and his garments shall be holy, and his sons and his sons’ garments with him.
Here is, I. The law concerning the consecration of Aaron and his sons to the priest's office, which was to be done with a great deal of ceremony and solemnity, that they themselves might be duly affected with the greatness of the work to which they were called, and that the people also might learn to magnify the office and none might dare to invade it. 1.
Commenting on Exodus 29:1-37
And thou shalt take of the blood that is upon the altar,.... Not that which was sprinkled upon it, which could not be gathered up in such quantities as to be sprinkled again; but which was in a basin on it, having been received into it when the ram was slain: and of the anointing oil; hereafter to be made, and with which Aaron was...
And thou shalt take of the blood that [is] upon the altar, and of the anointing oil, and sprinkle [it] upon Aaron, and upon his garments, and upon his sons, and upon the garments of his sons with him: and he shall be hallowed, and his garments, and his sons, and his sons' garments with him. (f) With which the Altar must be sprinkled.