The most important part of the daily ministration was the service performed in behalf of individuals. ... By his own hand the animal was then slain, and the blood was carried by the priest into the holy place and sprinkled before the veil, behind which was the ark containing the law that the sinner had transgressed. By this ceremony the sin was, through the blood, transferred in figure to the sanctuary
Ellen G. White “The Conflict of the Ages Story, Vol. 1. Patriarchs and Prophets—Illustrated”, Digital Inspiration