54 This being the case, the whole Church offers her holy oblation through Christ to the Eternal Father "for the salvation of the whole world." Surely then, the prayers of the faithful offered during this same sacrifice, in union with the Sovereign Pontiff, the bishops, and the entire Church, will be very fervently offered to Almighty God to implore a fresh outpouring of the graces of the Holy Spirit, because of which "the whole world rejoices with exceeding great joy."
Source: Fidei Donum (Vatican.va)