In this episode we conclude the Catechism’s treatment concerning the Eucharist. Having set forth the doctrine concerning the Eucharist as a sacrament, the section concludes with a discussion concerning the Eucharist as a sacrifice. In addition to reading the catechism, we also read from three articles from the Summa Theologica concerning these same matters as well as St Thomas’ explanation and division of the words in the rite of the Mass. (ST IIIa. Q. 79 a. 7, Q. and Q. 83 a.1 and a.4