Urban Hannon and Joey Belleza delve into the theological concept of transubstantiation, discussing St. Thomas Aquinas' articulation and exploring St. Francis's teachings on Eucharistic piety. They debate the differences between St. Thomas and St. Bonaventure regarding the Eucharist, emphasizing the mystery and miracle of transubstantiation. The podcast also explores the connections between the Eucharist, Blessed Virgin Mary, and St. Thomas Aquinas, highlighting the profound significance of communion and liturgical traditions.