The liturgy, an authorized expression if ever there was one, dramatizes the mysteries of religion. Within a meaningful network of lexical and sacra mental equivalences, these mysteries expose the life of Christ, but at the price of distinguishing certain individuals who are authorized to attend them, as Gabriel de l’Aupespine describes : before becoming a mystery in its own right, the Eucharist is first hidden. Representing the body of Christ, it enables the baptized to enter fully into the community that it creates. Its use and interpretation are reserved to the liturgy and to the spokesmen of the ultimate vocal authority : the Word of God.