All should hold in great esteem the liturgical life of the diocese centred around the bishop, especially in his cathedral church; they must be convinced that the pre-eminent manifestation of the Church is present in the full, active participation of all God's holy people in these liturgical celebrations, especially in the same eucharist, in a single prayer, at one altar at which the bishop presides, surrounded by his college of priests and by his ministers.

Constitution on the Sacred Liturgy, 41