Hebrews 7:27 Unlike the other high priests, he does not need to offer sacrifices day after day, first for his own sins,and then for the sins of the people. He sacrificed for their sins ONCE AND FOR ALL when he offered himself.
“Do this in REMEMBRANCE of me” -Jesus
(Luke 22)
“The Eucharist is not merely a meal; it is a sacrifice.”-
Pope Benedict XVI