Thou shalt anoint Aaron. — Comp. Exodus 29:7; Leviticus 8:12.
And his sons. — See Exodus 29:21.
That they may minister unto me. — As Aaron and his sons were unfit to minister until the holy oil had been poured on them, so Christian priests can be no otherwise fitted to discharge their office than by their receiving that effluence of the Holy Spirit which the holy oil typified.