it must first be said that “the best catechesis on the Eucharist is the Eucharist itself, celebrated well.” (187) By its nature, the liturgy can be pedagogically effective in helping the faithful to enter more deeply into the mystery being celebrated. That is why, in the Church’s most ancient tradition, the process of Christian formation always had an experiential character. While not neglecting a systematic understanding of the content of the faith, it centred on a vital and convincing encounter