Chapter 18 — Part II: The Sacraments — The Holy Eucharist
Section 84. Faith Is Strengthened — Believing and confessing, as they do, that the power of God is supreme over all things, they must also believe that His omnipotence can accomplish the great work which we admire and adore in the Sacrament of the Eucharist. And again since they believe the Holy Catholic Church, they must necessarily believe that the true doctrine of this Sacrament is that which we have set forth.