Study the Sanctuary
"The sanctuary in heaven is the very center of Christ's work in behalf of men. It concerns every living soul upon the earth. It opens to view the plan of redemption, bringing us down to the very close of time. It is of the utmost importance that all should thoroughly investigate these subjects,..." Review & Herald 11/9/1905 E.G.W.
We have such an high priest, who is set on the right hand of the throne of the
Majesty in the heavens; A minister of the sanctuary, and of the true tabernacle, which the Lord pitched,
and not man. Hebrews 8:2,3