Pope Pius XI
They presuppose the erroneous view that all religions are more or less good and praiseworthy, inasmuch as all give expression, under various forms, to that innate sense which leads men to God and to the obedient acknowledgment of His rule… to favor this opinion, therefore, and to encourage such undertakings, is tantamount to abandoning the religion revealed by God.”
Let us focus attention on the phrase “tantamount to abandoning the religion revealed by God.” This phrase is another definition of the word “apostasy.” According to Pope Pius XI, to hold to false ecuмenism and to encourage it, is equivalent to apostasy.
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