This theological discourse addresses the significance of the Eucharist and the nature of the bread used in its celebration. It argues against the use of unleavened bread, asserting that leavened bread is more appropriate due to its connection to life and perfection, aligning with the teachings of Jesus and the traditions of the early Church. The text warns against heretical interpretations and emphasizes the importance of self-examination before partaking in the sacrament. It concludes by reinforcing the idea that true communion with Christ entails using leavened bread, which symbolizes the living faith of the Church.