Chapter 15 — Part II: The Sacraments — Introduction on the Sacraments in General
Section 26. The first of these reasons is the feebleness of the human mind. We are so constituted by nature that no one can aspire to mental and intellectual knowledge unless through the medium of sensible objects. In order, therefore, that we might more easily understand what is accomplished by the hidden power of God, the same sovereign Creator of the universe has most wisely, and out of His tender kindness towards us, ordained that His power should be manifested to us through the intervention of certain sensible signs. As St. Chrysostom happily expresses it: If man were not clothed with a material body, these good things would have been presented to him naked and without any covering; but as the soul is joined to the body, it was absolutely necessary to employ sensible things in order to assist in making them understood.