Leviticus 8:30

And Moses took - the blood - and sprinkled it upon Aaron, etc. - Thus we find that the high priest himself must be sprinkled with the blood of the sacrifice; and our blessed Lord, of whom Aaron was a type, was sprinkled with his own blood.

1. In his agony in the garden.

In his being crowned with thorns.

In the piercing of his hands and his feet. And,

4. In his side being pierced with the spear. All these were so many acts of atonement performed by the high priest.