Why Non-Christians Should Read Lumen Fidei

On Friday, Pope Francis released his first encyclical, Lumen Fidei, which means “The Light of Faith.” Even though the encyclical is addressed to “the bishops, priests, and deacons, consecrated persons, and the lay faithful,” I hope that non-Christians will read it as well. Why? Because Francis explains in stark terms the differences in how “faith” is understood by believers and non-believers.

He begins by explaining that to Christians, faith is illuminating, and is described by Christ as a light:

Oskar Nylander, The Christ Glory (1849)

1. The light of Faith: this is how the Church’s tradition speaks of the great gift brought by Jesus. In John’s Gospel, Christ says of himself: "I have come as light into the world, that whoever believes in me may not remain in darkness" (Jn 12:46). Saint Paul uses the same image: "God who said ‘Let light shine out of darkness,’ has shone in our hearts" (2 Cor 4:6). The pagan world, which hungered for light, had seen the growth of the cult of the sun god, Sol Invictus, invoked each day at sunrise. Yet though the sun was born anew each morning, it was clearly incapable of casting its light on all of human existence. The sun does not illumine all reality; its rays cannot penetrate to the shadow of death, the place where men’s eyes are closed to its light. "No one — Saint Justin Martyr writes — has ever been ready to die for his faith in the sun".[1] Conscious of the immense horizon which their faith opened before them, Christians invoked Jesus as the true sun "whose rays bestow life".[2] To Martha, weeping for the death of her brother Lazarus, Jesus said: "Did I not tell you that if you believed, you would see the glory of God?" (Jn 11:40). Those who believe, see; they see with a light that illumines their entire journey, for it comes from the risen Christ, the morning star which never sets.

In stark contrast, non-believers tend to envision faith as a “blind leap,” or as a turning-away from the light of reason:

2. Yet in speaking of the light of faith, we can almost hear the objections of many of our contemporaries. In modernity, that light might have been considered sufficient for societies of old, but was felt to be of no use for new times, for a humanity come of age, proud of its rationality and anxious to explore the future in novel ways. Faith thus appeared to some as an illusory light, preventing mankind from boldly setting out in quest of knowledge. The young Nietzsche encouraged his sister Elisabeth to take risks, to tread "new paths… with all the uncertainty of one who must find his own way", adding that "this is where humanity’s paths part: if you want peace of soul and happiness, then believe, but if you want to be a follower of truth, then seek".[3] Belief would be incompatible with seeking. From this starting point Nietzsche was to develop his critique of Christianity for diminishing the full meaning of human existence and stripping life of novelty and adventure. Faith would thus be the illusion of light, an illusion which blocks the path of a liberated humanity to its future.

3. In the process, faith came to be associated with darkness. There were those who tried to save faith by making room for it alongside the light of reason. Such room would open up wherever the light of reason could not penetrate, wherever certainty was no longer possible. Faith was thus understood either as a leap in the dark, to be taken in the absence of light, driven by blind emotion, or as a subjective light, capable perhaps of warming the heart and bringing personal consolation, but not something which could be proposed to others as an objective and shared light which points the way. Slowly but surely, however, it would become evident that the light of autonomous reason is not enough to illumine the future; ultimately the future remains shadowy and fraught with fear of the unknown. As a result, humanity renounced the search for a great light, Truth itself, in order to be content with smaller lights which illumine the fleeting moment yet prove incapable of showing the way. Yet in the absence of light everything becomes confused; it is impossible to tell good from evil, or the road to our destination from other roads which take us in endless circles, going nowhere.

What I’ve observed is that many of the people who understand faith in this way seem genuinely unaware that this isn’t how believers view faith. If that describes you, or those you know, it behooves you to read this encyclical. It’s relatively short (only four chapters), well written, and thorough, quoting from Nietzsche, Dante, Martin Buber, the Church Fathers, Rousseau, Dostoevsky, Guardini, Wittgenstein, Aquinas, Bonaventure, John Paul II, and T.S. Eliot, amongst others. Who knows? It just might change the way you approach the topic of religion.