To Grannymh, The Successor of Peter Teaches Infallibly by Pope John Paul II , General Audience March 1993:
“For this reason the Second Vatican Council states that all the Pope’s teaching should be listened to and accepted, even when it is not given ex cathedra but is proposed in the ordinary exercise of his Magisterium with the manifest intention of declaring, recalling and confirming the doctrine of faith. It is a consequence of the institutional fact and spiritual inheritance that completes the dimensions of the succession to Peter.”
vatican.va/holy_father/john_paul_ii/audiences/alpha/data/aud19930317en.html
The following document then becomes a doctrine of Faith (reference msg.318) . A very old document by the way.
*LETTER OF HIS HOLINESS JOHN PAUL II TO REVEREND GEORGE V. COYNE, S.J., DIRECTOR OF THE VATICAN OBSERVATORY on 1 June, 1988.
To the Reverend George V. Coyne SJ
Director of the Vatican Observatory
Grace to you and peace from God our Father and the Lord Jesus Christ” (Eph. 1, 2).
As you prepare to publish the papers presented at the Study Week held at Castel Gandolfo on 21-26 September 1987, I take the occasion to express my gratitude to you and through you to all who contributed to that important initiative. I am confident that the publication of these papers will ensure that the fruits of that endeavour will be further enriched.
The three hundredth anniversary of the publication of Newton’s Philosophiae Naturalis Principia Mathematica provided an appropriate occasion for the Holy See to sponsor a Study Week that investigated the multiple relationships among theology, philosophy and the natural sciences. The man so honoured, Sir Isaac Newton, had himself devoted much of his life to these same issues, and his reflections upon them can be found throughout his major works, his unfinished manuscripts and his vast correspondence. The publication of your own papers from this Study Week, taking up again some of the same questions which this great genius explored, affords me the opportunity to thank you for the efforts you devoted to a subject of such paramount importance. The theme of your conference, “Our Knowledge of God and Nature: Physics, Philosophy and Theology”, is assuredly a crucial one for the contemporary world. Because of its importance, I should like to address some issues which the interactions among natural science, philosophy, and theology present to the Church and to human society in general.
The Church and the Academy engage one another as two very different but major institutions within human civilization and world culture. We bear before God enormous responsibilities for the human condition because historically we have had and continue to have a major influence on the development of ideas and values and on the course of human action. We both have histories stretching back over thousands of years: the learned, academic community dating back to the origins of culture, to the city and the library and the school, and the Church with her historical roots in ancient Israel. We have come into contact often during these centuries, sometimes in mutual support, at other times in those needless conflicts which have marred both our histories. In your conference we met again, and it was altogether fitting that as we approach the close of this millennium we initiated a series of reflections together upon the world as we touch it and as it shapes and challenges our actions . . .
As we behold the incredible development of scientific research we detect an underlying movement towards the discovery of levels of law and process which unify created reality and which at the same time have given rise to the vast diversity of structures and organisms which constitute the physical and biological, and even the psychological and sociological, worlds.
Contemporary physics furnishes a striking example. The quest for the unification of all four fundamental physical forces – gravitation, electromagnetism, the strong and weak nuclear interactions – has met with increasing success. This unification may well combine discoveries from the sub-atomic and the cosmological domains and shed light both on the origin of the universe and, eventually, on the origin of the laws and constants which govern its evolution. Physicists possess a detailed though incomplete and provisional knowledge of elementary particles and of the fundamental forces through which they interact at low and intermediate energies. They now have an acceptable theory unifying the electro-magnetic and weak nuclear forces, along with much less adequate but still promising grand unified field theories which attempt to incorporate the strong nuclear interaction as well. Further in the fine of this same development, there are already several detailed suggestions for the final stage, superunification, that is, the unification of all four fundamental forces, including gravity. Is it not important for us to note that in a world of such detailed specialization as contemporary physics there exists this drive towards convergence?
In the life sciences, too, something similar has happened. Molecular biologists have probed the structure of living material, its functions and its processes of replication. They have discovered that the same underlying constituents serve in the make-up of all living organisms on earth and constitute both the genes and the proteins which these genes code. This is another impressive manifestation of the unity of nature. . .
The Church long ago recognized the importance of such links by establishing the Pontifical Academy of Sciences, in which some of the world’s leading scientists meet together regularly to discuss their researches and to convey to the larger community where the directions of discovery are tending. . . .*
vatican.va/holy_father/john_paul_ii/letters/1988/documents/hf_jp-ii_let_19880601_padre-coyne_en.html