Leviticus 8:3

and gather thou all the congregation together unto the door of the Tabernacle of the Congregation. The detailed instructions of the Lord regarding the consecration of the priests, Exodus 28:29; Exodus 28:40, were now to be carried out. "This is the ordinance: first the persons; then the garments, as symbols of the office: the anointing oil, the symbol of the Spirit; the bullock for the sin-offering, the symbol of the priest favored with the entrusted atonement, and yet needing favor; the ram for the burnt offering, the symbol of the sacrificial employment; the ram for the sacrifice of consecration, the symbol of the priestly emoluments in true sacrifices of consecration; and the basket of unleavened bread, the symbol of life's enjoyment of the priests, sanctified in every form by the oil of the Spirit. " (Lange.)