The Lord gives Moses regulations regarding the Day of Atonement. Through ritual sacrifice, the people of the Lord are cleansed of sin. The Day of Atonement foreshadows Jesus Christ, the one atoning sacrifice for our sins.
BibleGateway: Leviticus 16 ESV Text: Leviticus 16 Leviticus 16 (Listen) The Day of Atonement 16:1 The LORD spoke to Moses after the death of the two sons of Aaron, when they drew near before the LORD…

