Chapter 18 — Part II: The Sacraments — The Holy Eucharist
Section 108. According to the admonition so frequently repeated by the holy Fathers, the faithful are to be admonished against curious searching into the manner in which this change is effected. It defies the powers of conception; nor can we find any example of it in natural transmutations, or even in the very work of creation. That such a change takes place must be recognised by faith; how it takes place we must not curiously inquire.