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403. I see the Catholic viewpoint in this matter, hut a far greater difficulty arises for me concerning your Church in so far as she claims within her spiritual sphere to be infallible.
She makes that claim under certain conditions.
406. I find the Catholic assumption of infallibility simply appalling!
I should be appalled if a Church claiming to be established by Christ and to speak with His authority did not claim to be infallible. A fine sort of a guide to eternal destiny God would have given us, if that guide calmly admitted that she was not sure of the road herself.
**409. Upon what grounds does your Church claim infallibility?
**Christ established His church upon a foundation as solid as a rock, and declared that the gates of hell, or forces of evil, would not prevail against it. This implies the perpetual retention of the truth taught by Christ, forbidding its corruption. He commanded her to teach all nations, “all things whatsoever I have commanded you; and behold I am with you all days even to the consummation of the world.” Matt. XXVIII., 20. His presence guarantees that she will ever teach a doctrine identical With His own principles. He promised that the Holy Spirit would abide with the Church forever, undoubtedly a pledge of perpetual infallibility. Jn. XIV., 16. St. Paul clearly manifests this doctrine by his words, “Behave thyself in the house of God, which is the Church of the living God, the pillar and ground of truth.” I. Tim. III., 15. The early Fathers insist upon the infallibility of the Church, and reason also tells us that the unity of the Church could not be maintained if she could fail in her teaching of the truth; her very holiness forbids heresy; her catholicity demands expansion without loss of the self-same teaching; whilst her apostolicity requires perpetual duration of an unchanged Apostolic doctrine. Finally, if the Catholic Church be not infallible, then there is no Church on earth which is such as Christ predicted. **
- It is intelligible that the whole Church would be preserved from error; but you go further, and claim that the Pope is personally infallible**.
It is the Catholic doctrine that he is infallible when he speaks for the whole church in defining a question of faith or morals.
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429. The early Church did not admit that the Pope was infallible, nor did any Pope before Pius X. claim such a privilege.
**The doctrine is contained in Christ’s words to St. Peter, and the early Church was well aware of the fact. TertuUian, about the year 200 A.D. wrote concerning St. Paul’s rebuke to St. Peter, “If Peter was rebuked by Paul, it was certainly for a fault in conduct, not in teaching.” St. Cyprian, about 256, wrote of the See of Rome, “Would heretics dare to come to the very seat of Peter whence Apostolic faith is derived and whither no errors can come.” St. Augustine in the 4th century gives us the famous expression, “Rome has spoken; the cause is finished.” The early Popes had little need to insist often upon a doctrine which was denied by none of the faithful. The Council of Ephesus in 431 thus expressed its firm convictions, “No one doubts, nay it is known to all ages, that Peter, the chief and head of the Apostles, the pillar of the faith and foundation of the Catholic Church, received the keys of the kingdom from Our Lord Jesus Christ … Peter, who even to these our own days, and always in his successors, lives and exercises his authority.” In 451 Pope Leo wrote his decision to the Bishops of the Church assembled at Chalcedon, and when the letter was read all cried out, “Peter has spoken through Leo.” **
- If the Popes are infallible**, the laws of earlier Popes must be those of later Popes—yet the laws of the Catholic Church have varied.
It is not necessary that all the laws of earlier Popes must be those of later Popes. Infallibility concerns doctrine, and morals, not necessarily discipline. Disciplinary laws adapted to particular times change with the times.