this the Church may have a gift for appeasing God far more precious and acceptable than all the sacrifices of the law. Pope Alexander says, ‘Nothing in the sacrifices of the Church can be greater than the Body and Blood of Christ. This is before all oblations. It must be offered to God with a pure conscience and taken with a pure mind. As it is greater than all sacrifices, so it is more adorable.’ N. To show the greatness of this Sacrifice, we mark three reasons for changing the ancient sacrifice: