Pius XII, 1939-

deed, the contempt for the doctrine as commonly handed down, and for the phraseology by which the same is expressed, more than sufficiently bear this out. Surely there is no one who does not see that the phraseology of such notions not only as employed in the schools but also by the magisterium of the Church herself, can be perfected and polished; and, besides, it is noted that the Church has not always been constant in em- ploying the same words. It is also evident that the Church cannot be bound to any system of philosophy which flourishes for a brief period of time; for, what has been set in order over many centuries by common consent of Catholic teachers, in order to achieve some understanding of dogma, without doubt does not rest on so perishable a foundation. Rather they are based on principles and notions derived from a true knowledge of created things; and surely in deriving this knowledge, truth divinely revealed has through the Church illumined the mind like a star. Therefore, it is no wonder that some such notions were not only employed by ecumenical councils but also so sanctioned that it is not right to de- part from them.

2312. Therefore, to neglect, or to reject, or to deprive so many great things of their value, which in many instances have been conceived, expressed, and perfected after long labor, by men of no ordinary genius and sanctity, under the watchful eye of the holy magisterium, and not without the light and guidance of the Holy Spirit for the expression of the truths of faith ever more accurately, so that in their place conjectural notions may be substituted, as well as certain unstable and vague expressions of a new philosophy, which like a flower of the field exists today and will die tomorrow, not only is the highest imprudence, but also makes dogma itself as a reed shaken by the wind. Moreover, the contempt for the words and ideas which the scholastic theologians customarily use, tends to weaken so-called speculative philosophy, which they think is void of true certitude, since it rests on theological reasoning.

2313. Surely it is lamentable that those eager for novelty easily pass from a contempt for scholastic theology to a neglect, and even a disrespect for the magisterium of the Church, which supports that theology by its authority. For, this magisterium is considered by them as a hindrance to progress and an obstacle to science; indeed, by certain non-Catholics it is looked upon as an unjust restraint by which some learned theologians are prevented from pursuing their science. And, although this sacred magisterium, in matters of faith and morals, should be the proximate and universal norm of faith to any theologian, inasmuch as Christ the Lord entrusted the entire deposit of faith to it, namely, the Sacred Scriptures and divine "tradition," to be guarded, and preserved, and interpreted; yet its office, by which the faithful are bound to flee those errors which more or less tend toward heresy, and so, too, "to keep its constitutions