Chapter 18 — Part II: The Sacraments — The Holy Eucharist
Section 115. There are two further advantages: first, it prevents the calumnious reproaches of the unbeliever, from which the eating of our Lord under His visible form could not easily be defended; secondly, the receiving Him under a form in which He is impervious to the senses avails much for increasing our faith. For faith, as the well known saying of St. Gregory declares, has no merit in those things which fall under the proof of reason.