The Joy of Authentic Liturgy
One could argue that no matter its mode or quality of celebration, the Mass is the most important event on Earth every time it is celebrated. The Church qualifies this understanding of the Mass by noting that there can be instances when a Mass is invalid due a defect of form and/or matter. Say for instance, if a gluten-free host is used. For the Sacrament to be valid, hosts must be wheaten and must therefore contain gluten, even if the amount of gluten is low. Another reason the Mass could be invalid is because the priest deliberately substitutes words not approved for use during the Consecration. If the priest intentionally leaves out a key phrase such as "This is my Body" or adds a corruption such as "This is just a symbol of my body," it is difficult to imagine how anyone could justify the changes and contend that the liturgy is valid. Catholics who are themselves properly disposed to receive the Holy Eucharist are entitled to the worthy celebration of the Sacr