“And Aaron shall make an atonement upon the horns of it once in a year with the blood of the sin offering of atonements: once in the year shall he make atonement upon it throughout your generations: it is most holy unto the Lord.”
Context:In this verse, God is giving specific instructions to Moses regarding the altar of incense, which is to be placed inside the Tabernacle, the sacred dwelling place for God’s presence among the Israelites. The altar of incense was a small, gold-covered altar positioned in the Holy Place, just before the veil that separated it from the Most Holy Place, where the Ark of the Covenant resided.
Atonement and its significance:The concept of atonement is central in the Bible. It refers to the act of reconciling or making amends for sin or wrongdoing. Atonement involves the shedding of blood as a symbol of the cost of sin and the need for forgiveness. In the Old Testament, various offerings and sacrifices were prescribed to make atonement for the sins of the people. The blood of these sacrifices served as a covering for their sins, symbolically cleansing them before God.
The high priest’s role in atonement:Here, it is mentioned that Aaron, the high priest of Israel, is responsible for making atonement upon the horns of the altar of incense. The horns of the altar were the protruding corners at the top, where the blood was applied. This atonement with blood had to be done once a year on the Day of Atonement (Yom Kippur). On this special day, the high priest would enter the Most Holy Place and make atonement for the sins of the people and the sanctuary.
The blood of the sin offering:The blood used for atonement came from the sin offering. This offering was made to seek forgiveness and cleansing for unintentional sins committed by the people or the priests. The blood of the sin offering was an acknowledgment of sin’s gravity and the need for divine forgiveness.
The annual observance:God specifies that this atonement on the altar of incense is to be performed “once in the year” throughout generations. This annual observance served as a reminder of the continual need for atonement and the ongoing relationship between God and His people.
The holiness of the altar:The altar of incense is described as “most holy unto the Lord.” This emphasizes its sacredness and significance in the worship of God. It was not to be treated lightly or used for any common purpose. The holiness of the altar represented the holiness of God and the sanctity of the relationship between God and His chosen people.
Application:While the practices of the Old Testament atonement rituals are not observed in the same manner today, the principle of atonement and the need for forgiveness remain relevant. In the New Testament, we find that Jesus Christ became the ultimate atoning sacrifice for the sins of humanity. His death and resurrection provide forgiveness and reconciliation for all who believe in Him.
As Christians, we are called to acknowledge our sins, seek God’s forgiveness, and trust in the atoning work of Jesus Christ. We can approach God with confidence, knowing that the blood of Christ cleanses us from all unrighteousness (1 John 1:7). Additionally, we should strive to maintain the holiness of our relationship with God, dedicating our lives to Him and avoiding anything that would defile our connection with the holy and loving Creator.
In conclusion, Exodus 30:10 reminds us of the importance of atonement, the role of the high priest, and the significance of holiness in our relationship with God. Through Christ’s sacrifice, we can experience true forgiveness and draw near to God with a heart of gratitude and reverence.

