Chapter 15 — Part II: The Sacraments — Introduction on the Sacraments in General
Section 55. That they are also interiorly dispensed by Him we must hold with a firm and certain faith, according to these words of St. John, in which he declares that he learned this truth concerning Christ: He who sent me to baptise with water, said to me: He, upon whom thou shalt see the Spirit descending, and remaining upon him, he it is that baptizeth with the Holy Ghost.