"The Church, therefore, earnestly desires that Christ’s faithful, when present at this mystery of faith, should not be there as strangers or silent spectators . . . by offering the Immaculate Victim, not only through the hands of the priest, but also with him, they should learn also to offer themselves; through Christ the Mediator, they should be drawn day by day into ever more perfect union with God and with each other, so that finally God may be all in all.” (Sacrosanctum Concilium, 48)