Read Hebrews 9:1-14. For whom was blood offered on the Day of Atonement? See verse 7.
In verse 8, what truth was the Holy Spirit teaching through the once-a-year offering for sin under the old covenant?
What symbolic truth did the Mosaic tabernacle teach about sin in 9:9, 10.
How can we be sure to approach God as the holy God He is?