Book of Exodus - Chapter 29 - Verse 21

In this verse, the Lord commands Moses to take some of the blood from the altar and mix it with the anointing oil. This mixture is then to be sprinkled on Aaron, his sons, and their garments. This act of sprinkling the blood and oil mixture on the priests and their clothing symbolizes the consecration and sanctification of Aaron and his sons for their roles as high priests in the service of the Lord. By being anointed with this sacred mixture, Aaron and his sons are set apart and made holy for their service in the tabernacle. This ritual of anointing with blood and oil represents the purification and dedication of the priests, marking them as chosen vessels for carrying out the sacred duties within the tabernacle. It serves as a reminder of the importance of holiness, separation, and consecration for those who are appointed to serve in the presence of the Lord.

This verse from Leviticus provides a detailed instruction about the process of consecrating Aaron and his sons as priests. The blood from the sacrifice on the altar and the anointing oil were significant elements in this ritual. The blood represented atonement and sacrifice, and the anointing oil symbolized the Spirit of God empowering and setting apart the priests for their holy duties. The act of sprinkling these elements on Aaron and his sons, as well as their garments, signified their dedication and purification for the service in the tabernacle. Through this act, they were sanctified and set apart for the sacred roles they were called to fulfill. The theological interpretation of this passage highlights the importance of cleansing, consecration, and God's presence in the ministry of the priesthood. It reflects the concept of holiness and separation from the world in order to serve God reverently and obediently.