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Sacraments › … › Article 2: Liturgical Diversity and the Unity of the Mystery
Liturgical traditions and the catholicity of the Church
From the first community of Jerusalem until the parousia, it is the same Paschal mystery that the Churches of God, faithful to the apostolic faith, celebrate in every place. The mystery celebrated in the liturgy is one, but the forms of its celebration are diverse.
Source: Catechism of the Catholic Church (Vatican.va)