Pope Eugene IV I

“The Holy Roman Church firmly believes, professes and preaches that all those who are outside the Catholic Church, not only pagans but also Jews or heretics and schismatics, cannot have a share in eternal happiness; but that they will go into the everlasting fire which was prepared for the Devil and his Angels (Matt 25: 41), unless they unite themselves to the Church before their death; and that so precious is the unity of this ecclesiastical body that only those who abide in it can benefit from the Church’s Sacraments for their salvation, and that they alone can receive an eternal recompense for their fasts, almsgiving and other works of piety and practices of the Christian militancy. No one, no matter how much he has given in alms and even if he has shed blood for the name of Christ, can be saved, unless he has persevered in the bosom and the unity of the Catholic Church.”

(Pope Eugene IV, Cantate Domino, Denzinger n. 714)

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