Quotes from Pope Leo XIII – part 2

German-language article
Hungarian-language article
Photo of Pope Leo XIII.

Aeterni Patris: On the restoration of Christian philosophy

“Whoso turns his attention to the bitter strifes of these days and seeks a reason for the troubles that vex public and private life must come to the conclusion that a fruitful cause of the evils which now afflict, as well as those which threaten, us lies in this: that false conclusions concerning divine and human things, which originated in the schools of philosophy, have now crept into all the orders of the State, and have been accepted by the common consent of the masses. For, since it is in the very nature of man to follow the guide of reason in his actions, if his intellect sins at all his will soon follows; and thus it happens that false opinions, whose seat is in the understanding, influence human actions and pervert them. Whereas, on the other hand, if men be of sound mind and take their stand on true and solid principles, there will result a vast amount of benefits for the public and private good. We do not, indeed, attribute such force and authority to philosophy as to esteem it equal to the task of combating and rooting out all errors; for, when the Christian religion was first constituted, it came upon earth to restore it to its primeval dignity by the admirable light of faith, diffused ‘not by persuasive words of human wisdom, but in the manifestation of spirit and of power’, [I Cor. 2:4] so also at the present time we look above all things to the powerful help of Almighty God to bring back to a right understanding the minds of man and dispel the darkness of error. [See “Inscrutabili Dei consilio,” 78:113]” (2)

“In the first place, philosophy, if rightly made use of by the wise, in a certain way tends to smooth and fortify the road to true faith, and to prepare the souls of its disciples for the fit reception of revelation; for which reason it is well called by ancient writers sometimes a steppingstone to the Christian faith,[Clement of Alexandria, “Stromata,” 1, 16 (PG 8, 795); 7, 3 (PG 9, 426)] sometimes the prelude and help of Christianity,[Origen, “Epistola ad Gregorium” (PG 11, 87-91)] sometimes the Gospel teacher.[Clement of Alexandria, “Stromata,” 1,5 (PG 8, 718-719)]” (4)

“Lastly, the duty of religiously defending the truths divinely delivered, and of resisting those who dare oppose them, pertains to philosophic pursuits. Wherefore, it is the glory of philosophy to be esteemed as the bulwark of faith and the strong defense of religion.” (7)

“In the first place, then, since in the tempest that is on us the Christian faith is king constantly assailed by the machinations and craft of a certain false wisdom, all youths, but especially those who are the growing hope of the Church, should be nourished on the strong and robust food of doctrine, that so, mighty in strength and armed at all points, they may become habituated to advance the cause of religion with force and judgment, ‘being ready always, according to the apostolic counsel, to satisfy every one that asketh you a reason of that hope which is in you,’ [I Peter 3:15] and that they may be able to exhort in sound doctrine and to convince the gainsayers. [Titus 1:9]” (27)

“Domestic and civil society even, which, as all see, is exposed to great danger from this plague of perverse opinions, would certainly enjoy a far more peaceful and secure existence if a more wholesome doctrine were taught in the universities and high schools — one more in conformity with the teaching of the Church, such as is contained in the works of Thomas Aquinas.” (28)

“While, therefore, We hold that every word of wisdom, every useful thing by whomsoever discovered or planned, ought to be received with a willing and grateful mind, We exhort you, venerable brethren, in all earnestness to restore the golden wisdom of St. Thomas, and to spread it far and wide for the defense and beauty of the Catholic faith, for the good of society, and for the advantage of all the sciences. The wisdom of St. Thomas, We say; for if anything is taken up with too great subtlety by the Scholastic doctors, or too carelessly stated — if there be anything that ill agrees with the discoveries of a later age, or, in a word, improbable in whatever way — it does not enter Our mind to propose that for imitation to Our age. Let carefully selected teachers endeavor to implant the doctrine of Thomas Aquinas in the minds of students, and set forth clearly his solidity and excellence over others. Let the universities already founded or to be founded by you illustrate and defend this doctrine, and use it for the refutation of prevailing errors. But, lest the false for the true or the corrupt for the pure be drunk in, be ye watchful that the doctrine of Thomas be drawn from his own fountains, or at least from those rivulets which, derived from the very fount, have thus far flowed, according to the established agreement of learned men, pure and clear; be careful to guard the minds of youth from those which are said to flow thence, but in reality are gathered from strange and unwholesome streams.” (31)

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Militantis Ecclesiae: On the 300th anniversary of the death of St. Peter Canisius

“There exist, in effect, certain analogies between our age and the period in which Canisius lived: a period when the spirit of revolution and looseness of doctrine resulted in a great loss of faith and decline in morals. To deliver youth especially from this double scourge was the goal of this man who, after Boniface, is the second apostle of Germany. He achieved this purpose principally by establishing schools and publishing good books as well as by effective sermons and penetrating debates.” (2)

“We now gladly take advantage of this occasion to present the vigorous leader Peter Canisius as a model to all who fight for Christ in the Church’s army. By realizing that they must ally the weapons of knowledge with the weapons of justice, they will be able to defend the faith more vigorously and effectively.” (4)

“He undertook the instruction of children and even composed elementary writing books and grammars for their use. Indeed just as he often came back from preaching to the courts of kings to address the people, so, after learned writings on dogma or morals, he used to compose pamphlets destined either to strengthen the faith of the people or to arouse and nourish their piety. He had wonderful success in preventing the inexperienced from getting caught in the nets of error. The Summa which he published for this purpose is a compact and tightly-knit work, written in beautiful Latin and not unworthy of the Fathers of the Church. This remarkable work was enthusiastically received by learned men in almost all the countries of Europe. Less voluminous but no less useful were the two famous catechisms which this blessed man wrote for less cultivated minds: one for the religious instruction of children, the other for young men already involved in the study of the arts. These two works had such a great success among Catholics immediately upon publication that almost all professors charged with teaching the basics of the faith had them in hand. They were used not only in the schools as a spiritual milk for the children, but they were also explained publicly in the churches to the benefit of all. Thus, during three centuries Canisius has been regarded as the teacher of Catholics in Germany. In popular speech ‘knowing Canisius’ was synonymous with ‘preserving the Christian faith.’” (8)

“If there ever existed a period which demanded abundant science and knowledge to defend the Catholic faith, it is assuredly ours in which the rapid progress in all branches of study often furnishes the enemies of the Christian faith with an occasion for attacking it. We must therefore commit the same forces to repel their attack. We must occupy the position first and snatch from their hands the weapons with which they are trying to destroy all links between God and man.” (10)

“Catholics, thus fortified and fittingly instructed, will clearly be able to show that the faith, far from being hostile to human culture, constitutes in fact its apex and summit; that even on points where there is seeming opposition or contradiction, it can be so closely harmonized with philosophy that each enlightens the other; that nature is not the enemy but the companion and helper of religion; finally that the inspiration of religion not only enriches all types of knowledge but also gives literature and the other arts new strength and new life.” (11)

“To organize teaching in such a way as to remove it from all contact with religion is therefore to corrupt the very seeds of beauty and honor in the soul. It is to prepare, not defenders of the nation, but a plague and a scourge for the human race. Once God is suppressed, what can keep young people dutiful or recall them when they have strayed from the path of virtue and fall into the abyss of vice?” (17)

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Coat of arms of Leo XIII, taken from