Example of the Apostles

21. Moreover, the Holy Gospel alludes to this when it tells of the many disciples of Christ who turned away and left Our Lord, after hearing Him speak of eating His flesh and drinking His blood. "This is strange talk," they said. "Who can be expected to listen to it" Peter, on the contrary, replied to Jesus' question as to whether the twelve wanted to go away too by promptly and firmly expressing his own faith and that of the other Apostles in these marvelous words: "Lord, to whom should we go? Thy words are the words of eternal life." ⁸

22. It is only logical, then, for us to follow the magisterium of the Church as a guiding star in carrying on our investigations into this mystery, for the Divine Redeemer has entrusted the safeguarding and the explanation of the written or transmitted word of God to her. And we are convinced that "whatever has been preached and believed throughout the whole Church with true Catholic faith since the days of antiquity is true, even if it not be subject to rational investigation, and even if it not be explained in words." ⁹