BENEDICT XVI

GENERAL AUDIENCE

Saint Peter’s Square
Wednesday, 16 June 2010

 

Saint Thomas Aquinas (2)

Dear Brothers and Sisters,

Today I would like to continue the presentation of St Thomas Aquinas, a theologian of such value that the study of his thought was explicitly recommended by the Second Vatican Council in two documents, the Decree Optatam totius on the Training of Priests, and the Declaration Gravissimum Educationis, which addresses Christian Education. Indeed, already in 1880 Pope Leo XIII, who held St Thomas in high esteem as a guide and encouraged Thomistic studies, chose to declare him Patron of Catholic Schools and Universities.

The main reason for this appreciation is not only explained by the content of his teaching but also by the method he used, especially his new synthesis and distinction between philosophy and theology. The Fathers of the Church were confronted by different philosophies of a Platonic type in which a complete vision of the world and of life was presented, including the subject of God and of religion. In comparison with these philosophies they themselves had worked out a complete vision of reality, starting with faith and using elements of Platonism to respond to the essential questions of men and women. They called this vision, based on biblical revelation and formulated with a correct Platonism in the light of faith: “our philosophy”. The word “philosophy” was not, therefore, an expression of a purely rational system and, as such, distinct from faith but rather indicated a comprehensive vision of reality, constructed in the light of faith but used and conceived of by reason; a vision that naturally exceeded the capacities proper to reason but as such also fulfilled it. For St Thomas the encounter with the pre-Christian philosophy of Aristotle (who died in about 322 b.c.) opened up a new perspective. Aristotelian philosophy was obviously a philosophy worked out without the knowledge of the Old and New Testaments, an explanation of the world without revelation through reason alone. And this consequent rationality was convincing. Thus the old form of the Fathers’ “our philosophy” no longer worked. The relationship between philosophy and theology, between faith and reason, needed to be rethought. A “philosophy” existed that was complete and convincing in itself, a rationality that preceded the faith, followed by “theology”, a form of thinking with the faith and in the faith. The pressing question was this: are the world of rationality, philosophy conceived of without Christ, and the world of faith compatible? Or are they mutually exclusive? Elements that affirmed the incompatibility of these two worlds were not lacking, but St Thomas was firmly convinced of their compatibility indeed that philosophy worked out without the knowledge of Christ was awaiting, as it were, the light of Jesus to be complete. This was the great “surprise” of St Thomas that determined the path he took as a thinker. Showing this independence of philosophy and theology and, at the same time, their reciprocal relationality was the historic mission of the great teacher. And thus it can be understood that in the 19th century, when the incompatibility of modern reason and faith was strongly declared, Pope Leo XIII pointed to St Thomas as a guide in the dialogue between them. In his theological work, St Thomas supposes and concretizes this relationality. Faith consolidates, integrates and illumines the heritage of truth that human reason acquires. The trust with which St Thomas endows these two instruments of knowledge faith and reason may be traced back to the conviction that both stem from the one source of all truth, the divine Logos, which is active in both contexts, that of Creation and that of redemption.

Together with the agreement between reason and faith, we must recognize on the other hand that they avail themselves of different cognitive procedures. Reason receives a truth by virtue of its intrinsic evidence, mediated or unmediated; faith, on the contrary, accepts a truth on the basis of the authority of the Word of God that is revealed. St Thomas writes at the beginning of his Summa Theologiae: “We must bear in mind that there are two kinds of sciences. There are some which proceed from a principle known by the natural light of the intelligence, such as arithmetic and geometry and the like. There are some which proceed from principles known by the light of a higher science: thus the science of perspective proceeds from principles established by geometry, and music from principles established by arithmetic. So it is that sacred doctrine is a science, because it proceeds from principles established by the light of a higher science, namely, the science of God and the blessed” (ia, q. 1, a.2).

This distinction guarantees the autonomy of both the human and the theological sciences. However, it is not equivalent to separation but, rather, implies a reciprocal and advantageous collaboration. Faith, in fact, protects reason from any temptation to distrust its own abilities, stimulates it to be open to ever broader horizons, keeps alive in it the search for foundations and, when reason itself is applied to the supernatural sphere of the relationship between God and man, faith enriches his work. According to St Thomas, for example, human reason can certainly reach the affirmation of the existence of one God, but only faith, which receives the divine Revelation, is able to draw from the mystery of the Love of the Triune God.

Moreover, it is not only faith that helps reason. Reason too, with its own means can do something important for faith, making it a threefold service which St Thomas sums up in the preface to his commentary on the De Trinitate of Boethius: “demonstrating those truths that are preambles of the faith; giving a clearer notion, by certain similitudes, of the truths of the faith; resisting those who speak against the faith, either by showing that their statements are false, or by showing that they are not necessarily true” (q. 2, a.3). The entire history of theology is basically the exercise of this task of the mind which shows the intelligibility of faith, its articulation and inner harmony, its reasonableness and its ability to further human good. The correctness of theological reasoning and its real cognitive meaning is based on the value of theological language which, in St Thomas’ opinion, is principally an analogical language. The distance between God, the Creator, and the being of his creatures is infinite; dissimilitude is ever greater than similitude (cf. DS 806). Nevertheless in the whole difference between Creator and creatures an analogy exists between the created being and the being of the Creator, which enables us to speak about God with human words.

St Thomas not only based the doctrine of analogy on exquisitely philosophical argumentation but also on the fact that with the Revelation God himself spoke to us and therefore authorized us to speak of him. I consider it important to recall this doctrine. In fact, it helps us get the better of certain objections of contemporary atheism which denies that religious language is provided with an objective meaning and instead maintains that it has solely a subjective or merely emotional value. This objection derives from the fact that positivist thought is convinced that man does not know being but solely the functions of reality that can be experienced. With St Thomas and with the great philosophical tradition we are convinced that, in reality, man does not only know the functions, the object of the natural sciences, but also knows something of being itself for example, he knows the person, the You of the other, and not only the physical and biological aspect of his being.

(To continue reading, please see here).

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