Magnifica Humanitas: A Summary

Introduction: the choice between Babel and Nehemiah

The encyclical opens with a stark framing in ¶1: "Humanity, created by God in all its grandeur, is today facing a pivotal choice: either to construct a new Tower of Babel or to build the city in which God and humanity dwell together." This is the structural metaphor that runs through the entire document.

Pope Leo XIV then names the res novae of our time (¶4-6). Where Leo XIII spoke of new things in 1891, today's new things are digitalization, artificial intelligence, and robotics. Technology is not antagonistic to humanity in itself; it has always been part of human history. But the present moment is genuinely new. The power and prevalence of emerging technologies are interwoven into daily life, shaping decision-making processes and deeply affecting the collective imagination. Most strikingly, the main drivers of development are no longer States but private, transnational actors whose resources and capacity to intervene surpass those of many Governments (¶5). This makes the question of governance qualitatively different from earlier eras.

Paragraphs 7 through 10 develop the two biblical images. The Tower of Babel (Genesis 11) was an impressive project, with a single language, a single technology, a single direction. But it was conceived without reference to God and chose homogenization over communion. The result was not unity but dispersion. The rebuilding of Jerusalem's walls under Nehemiah (Nehemiah 2-6) is the alternative. Nehemiah fasted and prayed before acting. He convened the families and assigned each a section of the wall. The city was reborn not through one man's initiative but through the shared responsibility of all. Pope Leo XIV writes in ¶9: "Therefore, the primary choice is not between a 'yes' or 'no' to technology, but rather between constructing Babel or rebuilding Jerusalem; between a power that claims to dominate the heavens and a people who work together in the presence of God to rebuild the walls of fraternal coexistence."

The Babel syndrome is named directly in ¶10: "the idolatry of profit that sacrifices the weak, a uniformity that neutralizes differences, and the pretense that a single language — even a digital one — can translate everything, including the mystery of the person, into data and performance."

The Introduction's final movement is the call to remain human (¶15-16). Pope Leo XIV writes in ¶15: "In the era of artificial intelligence, when human dignity is threatened by new forms of dehumanization, ours is the pressing duty to remain profoundly human. We must lovingly safeguard the grandeur of humanity bestowed upon us and revealed in its fullness in Christ, the splendor of which no machine can ever replace." And in ¶16: "I ask everyone to abandon the construction of yet another Tower of Babel and to join forces in building up the common good."

Chapter One: a dynamic approach faithful to the Gospel

Chapter One (¶17-45) presents Catholic Social Doctrine as a living tradition rather than a fixed set of rules. The opening claim in ¶17 is methodologically significant: artificial intelligence is not merely another theme to be studied or a crisis to be managed, but "a development that challenges the categories of Social Doctrine from within, calling for their further development in fidelity to the Gospel." This frames everything that follows.

The chapter then walks through the Magisterium from Leo XIII to Francis. Rerum Novarum (1891) is treated as the founding document, with the dignity of work, fair wages, and the priority of persons over capital as enduring contributions (¶29-30). Quadragesimo Anno (1931) added the systematic formulation of subsidiarity and the structural critique of injustice (¶31). The teaching of Pius XII through Christmas radio messages established the framework of an international order based on natural law (¶32).

The Second Vatican Council marks a turning point (¶33-34). Gaudium et Spes presented a Church close to humanity and engaged with the world. Dignitatis Humanae grounded religious freedom in human dignity. Paul VI developed integral human development as "the new name for peace" (¶35-36). John Paul II's Laborem Exercens placed fair wages as the test of socioeconomic justice (¶37). Sollicitudo Rei Socialis introduced solidarity as concrete shared responsibility (¶38). Centesimus Annus assessed democracy and the market on the centenary of Rerum Novarum (¶39).

Benedict XVI's Caritas in Veritate placed charity at the heart of Social Doctrine and insisted that development cannot be solved by commercial mentality alone (¶40-41). Francis's Evangelii Gaudium, Laudato Si', Fratelli Tutti, and Dilexit Nos developed integral ecology, the cry of the earth and the cry of the poor, social friendship, and the personal relationship with Christ as the source of social action (¶42-44).

The chapter closes with ¶45: the Social Doctrine of the Church is not a desk project but the patient product of each pontiff's response to the new things of his era. The result is a harmonious, though not always linear, development of a single heritage.

Chapter Two: the foundations and five principles

Chapter Two (¶46-89) is the doctrinal core. Pope Leo XIV sets out the foundations of Catholic Social Doctrine and then develops five principles, each of which receives a direct application to AI and the digital revolution.

The foundations (¶48-58) begin with the Trinitarian source of Social Doctrine. The human person is created in the image of the Triune God (¶50). Human dignity does not depend on abilities, wealth, or position; it is a gift that precedes and transcends every person (¶50). In ¶51, Pope Leo XIV names the ideology he considers particularly insidious: the suggestion that every person must earn or justify his or her own worth, attributing greater value to those who are more efficient or effective. Dignitas Infinita is cited directly in ¶53: every human person possesses an infinite dignity, inalienably grounded in his or her very being. The Universal Declaration of Human Rights is treated as one of the highest expressions of the human conscience of our time (¶54-55), with the right to life from conception to natural end as foundational (¶55).

The common good (¶59-64) is the social expression of the dignity recognized in every person. It is more than the sum of individual interests; it is a "plus" that emerges from interdependence (¶61). The State's responsibility is to harmonize different sectoral interests with the requirements of justice (¶63). Internationally, the encyclical insists that the legitimate diversity of peoples and nations must be preserved within any pursuit of the global common good (¶64).

The universal destination of goods (¶65-67) is where the encyclical first applies a principle directly to AI. ¶65 affirms that this principle applies not only to material goods but to immaterial and cultural goods. ¶67 is one of the most quoted passages of the encyclical: "Today, among the goods that are universally intended for everyone, we must also include new forms of property, such as patents, algorithms, digital platforms, technological infrastructure and data. In a context where the wealth of nations depends increasingly on knowledge and technology, when these goods remain concentrated in the hands of a few, without adequate forms of sharing and access, a new imbalance is created that contradicts the universal destination of goods."

Subsidiarity (¶68-72) receives a direct application to the digital revolution. ¶71 makes a striking move: "The principle of subsidiarity applies especially in the context of the digital revolution. Here, the highest level is not the State, but rather major economic and technological actors that exercise de facto power over the conditions of everyday life." The companies and platforms that define conditions for access, rules of visibility, forms of interaction, and economic opportunities are the new "higher level" against which subsidiarity must be enforced. ¶72 calls for independent checks, transparency regarding algorithms, equitable access to data, and avenues for recourse.

Solidarity (¶73-76) extends to digital and information infrastructure. ¶76: "Like the natural environment, the 'digital ecosystem' can be preserved or exploited, shared or monopolized. Solidarity demands that decisions regarding data, algorithms, platforms and artificial intelligence take into account not only the immediate benefit for a few, but also the impact on all peoples and on future generations."

Social justice (¶77-81) closes the principles. ¶80 is the encyclical's direct statement on AI as a justice question: "In this day and age, social justice must also grapple with the environment shaped by digital technologies. The spread of global networks, platforms and artificial intelligence systems is changing the way we obtain information, communicate and access services. Justice demands that we prevent the emergence of new forms of exclusion and deprivation of freedoms: individuals and peoples hindered or denied access to basic technologies, communities exposed to invasive surveillance and social groups penalized by opaque algorithms that perpetuate prejudice and discrimination." The treatment of migrants in ¶81 is named as a litmus test for whether a society's sense of justice is driven by fear or by fraternity.

The chapter then turns to integral human development (¶82-85) as the framework for evaluating all of this. ¶85 puts it as a question: "Do they truly help individuals and peoples to become more humane and fraternal, while respecting our common home and future generations?"

The chapter closes with an "examen for the Church" (¶86-89), insisting that the principles apply to the Church's own structures before they can credibly be applied elsewhere. Listening to victims of abuse, transparency, accountability, and the sharing of ecclesial resources are named directly.

Chapter Three: technology, dominance, and the call to disarm AI

Chapter Three (¶90-130) is where the encyclical engages AI most directly. It is also where Pope Leo XIV's most original contribution appears: the call to disarm AI.

The chapter opens by returning to the Babel and Nehemiah images: what are we building? (¶90). The technocratic paradigm and digital power (¶92-94) develop Pope Francis's critique from Laudato Si'. When technology becomes the standard by which everything is judged, it dictates what matters and what can be discarded, reducing creation to an object of exploitation and human beings to cogs in a system. Pope Leo XIV cites Romano Guardini in ¶93: "Contemporary man has not been trained to use power well." And Paul VI in ¶94: technical progress without authentic moral and social progress will in the long run go against humanity.

What AI is, and is not (¶97-99). Pope Leo XIV is direct about what AI actually does. In ¶99: "These systems merely imitate certain functions of human intelligence. In doing so, they often surpass human intelligence in speed and computational capacity, offering tangible benefits across many fields. Yet this power remains entirely tied to data processing. So-called artificial intelligences do not undergo experiences, do not possess a body, do not feel joy or pain, do not mature through relationships and do not know from within what love, work, friendship or responsibility mean. Nor do they have a moral conscience, since they do not judge good and evil, grasp the ultimate meaning of situations, or bear responsibility for consequences."

A valuable tool that requires vigilance (¶100-101). Three aspects of personal AI use deserve careful consideration: the ease with which results are obtained, the impression of objectivity, and the simulation of human communication. ¶100 makes a striking observation about the simulation of relationship: "When words are simulated, they do not build genuine relationships, but only their appearance. The artificial imitation of care or support can become particularly risky when it enters contexts where real relationships and emotional bonds are lacking. Here, the danger is not so much that a person may believe they are communicating with another person, but rather that they may gradually lose the very desire to form genuine human connections." Paragraph 101 addresses the environmental footprint directly: AI systems require enormous amounts of energy and water, significantly influencing carbon dioxide emissions and placing heavy demands on natural resources.

Responsibility, transparency, and governance of AI (¶102-109). Pope Leo XIV insists that AI is not morally neutral (¶104). In ¶103, the algorithmic exclusion of the vulnerable is named directly: "the exclusion of the vulnerable becomes cloaked in a veneer of neutrality and objectivity, against which it becomes difficult to raise objections." Calling for prudence and even a slower pace in adopting AI is not opposition to progress, but responsible care for the human family (¶106). The chapter applies the five principles of Social Doctrine directly to AI in ¶109: the common good exposes new monopolies, the universal destination of goods requires shared access, subsidiarity protects community choice, solidarity recognizes exploited workers, justice questions the global distribution of power.

Disarming AI (¶110). This is the encyclical's most original contribution. Pope Leo XIV writes: "Disarming AI means freeing it from the mentality of 'armed' competition, which today is not limited simply to the military context, but is also an economic and cognitive phenomenon. This entails a race for ever more powerful algorithms and larger datasets, driven by the desire to secure geopolitical or commercial dominance. To disarm means discrediting the assumption that technical power automatically confers the right to govern. To disarm does not mean rejecting technology, but preventing it from dominating humanity. It means freeing technology from monopolistic control and opening it to discussion and debate, therefore making it human-friendly and restoring it to the plurality of human cultures and ways of life." The phrase will shape the encyclical's reception. It is original to Pope Leo XIV, not inherited from any predecessor, and it covers both military and commercial dimensions of AI competition.

Paragraph 111 then addresses AI developers directly: "I wish to address a special appeal to those who develop artificial intelligence. In one sense, technological innovation can represent human participation in the divine act of creation. Developers, therefore, bear a particular ethical and spiritual responsibility, for every design choice reflects a vision of humanity."

What must not be lost: transhumanism and posthumanism (¶112-126). Pope Leo XIV names the danger in ¶112: a pervasive technocratic paradigm threatens to normalize an anti-human vision in which the fullness of life is equated with having more, reducing weakness, eliminating uncertainty and exerting total control. The encyclical develops a substantial critique of transhumanism and posthumanism (¶115-117). The most quoted passage of this section is ¶117: "If the human being is treated as something to be perfected or surpassed, it becomes easier to accept that some lives are less useful, less desirable or less worthy." Paragraphs 118-126 then develop a counter-vision: human limits, the heart, suffering rightly integrated, the historical witnesses of conscience (Beethoven, Schindler, Martin Luther King, Mandela, Saint Teresa of Calcutta, Maximilian Kolbe, and the "martyrs of everyday life").

The authentic "more than human": grace and Christian humanism (¶127-128). Christian tradition has always maintained that human beings transcend themselves through self-gift in love. As Pope Francis put it: "We become fully human when we become more than human, when we let God bring us beyond ourselves in order to attain the fullest truth of our being."

Two cities and two loves (¶129-130). The chapter closes with Augustine's framework from City of God. Two loves have built two cities: the love of self even to the contempt of God, and the love of God even to the contempt of self. Applied to AI: "The age of AI is no exception: the construction of Babel or the rebuilding of Jerusalem begins within each one of us" (¶130).

Chapter Four: truth, work, freedom, and new forms of slavery

Chapter Four (¶131-181) is the encyclical's most extended treatment of practical application. It is organized around three themes: truth, work, and freedom. Each receives substantial development.

Truth as a common good (¶132-147). Pope Leo XIV writes in ¶132: "Disinformation did not begin with AI, yet today it finds a powerful amplifier in AI. The ability to manipulate content, images and videos exposes people to biased or misleading perspectives." Paragraph 133 names the deeper danger: power detached from truth, which subtly or overtly imposes what it wishes others to accept as true. Paragraph 134 quotes Hannah Arendt on the totalitarian subject for whom "the distinction between fact and fiction... and the distinction between true and false... no longer exist." The chapter calls for an ecology of communication (¶137): transparency norms, support for serious journalism, intermediary organizations, and forums for debate. Paragraph 138 includes a direct word about the Church's own communication: "Sadly, this has not always been the case. We have witnessed with shame the emergence of painful truths concerning even members of the Church and ecclesial realities."

An educational alliance for the digital age (¶139-147). The chapter addresses the formation of young people in an AI-saturated culture. Paragraph 141 documents how early and unsupervised exposure to digital devices and social media negatively impacts sleep, attention span, control of emotions, and relationships, "at times with tragic consequences." The chapter also names online grooming, blackmail, and the sexual exploitation of minors as urgent threats made more insidious by AI tools. Pope Leo XIV calls for an alliance among policy-makers, educational institutions, and families (¶142), legislative interventions to hold platforms accountable rather than shifting all burden onto families, and the central role of schools in forming integral persons (¶143-147).

The dignity of work at a time of digital transition (¶148-156). This section is the most direct continuation of Rerum Novarum. The value of work is grounded in participation in God's creative activity (¶148). Paragraph 150 contains the encyclical's pointed critique of current AI deployment patterns: AI tools "frequently force workers to adapt to the speed and demands of machines, rather than machines being designed to support those who work. As a result, contrary to the advertised benefits of AI, current approaches to technology can paradoxically de-skill workers, subject them to automated surveillance and relegate them to rigid and repetitive tasks." Unemployment is treated as a grave evil (¶151), with concerns about a "fourth industrial revolution" that produces outsized remuneration for a specialized minority alongside declining wages for the rest (¶151). Paragraph 156 calls for social criteria for innovation: every introduction of automation must be accompanied by verifiable measures to protect employment, retraining, and worker participation.

An economy that values dignity (¶157-164). The labor market reveals broader stakes. Economic freedom is not absolute; it must be measured against the common good (¶157). Paragraph 161 makes the global picture stark: "There are a few who have too much, and too many who have little, that is the logic of today." The chapter calls for moving beyond GDP as the sole measure of development (¶159), addresses cryptocurrencies and financial speculation (¶160), and insists that the social function of credit remains irreplaceable. Paragraph 163 makes a structural claim: "More than ever, in the age of AI and robotics, it is no longer possible to rely solely on the 'invisible hand' of the market."

Families and young people: the social conditions for hope (¶165-169). The family is named as a primary social good that requires cultural, juridical and economic support (¶165). The devastating impact of unemployment and job insecurity on family structures, particularly for young people, is named directly (¶167). The State has the duty to support business activity by fostering conditions favorable to employment (¶168).

Protecting freedom against dependencies and commercialization (¶170-172). Pope Leo XIV addresses the digital attention economy (¶170): "platforms and services are often designed to capture users' time and attention, exploiting their vulnerabilities and weakening their inner freedom. When business models thrive on human weakness, the person is treated as a means rather than as an end; those who design or finance such systems bear a moral responsibility that cannot be ignored." Paragraph 171 names the social control made possible by mass data collection: "When every action—movements, purchases, relationships and preferences—leaves a trace, a new form of power emerges, namely the power to profile, predict and influence behavior, often without individuals being fully aware of it."

New forms of slavery (¶173-179). This is one of the encyclical's most striking sections. Pope Leo XIV writes in ¶173: "Nothing in the world of AI is immaterial or magical. Every seemingly immediate and flawless response is the result of a long chain of mediation, involving vast networks of natural resources, energy infrastructure and, above all, people. A significant part of the digital economy's functioning relies on the silent work of millions of people engaged in essential yet largely unseen activities, such as data labeling, model training and content moderation, often involving disturbing material. In many cases, these workers are young people, predominantly women, working under demanding conditions for minimal wages. Added to this invisible labor is the even harsher work of extracting the resources required for the production of the devices and microprocessors on which AI depends. In some regions of the world, children and adolescents work in dangerous conditions, crushing the materials from which rare earth elements are extracted."

The chapter then addresses human trafficking conducted through digital platforms (¶173) and acknowledges the Church's own historical complicity with slavery in earlier centuries (¶176): "It is impossible not to feel deep sorrow when contemplating the immense suffering and humiliation endured by so many in stark contrast to their immeasurable dignity as persons infinitely loved by the Lord. For this, in the name of the Church, I sincerely ask for pardon." Paragraph 178 then makes a contemporary connection: colonialism in our day takes the form of extracting data, health profiles, genetic maps and demographic information from regions of structural fragility, the new "rare earths" of power. The chapter concludes with concrete demands: transparent supply chains, ethical due diligence by companies and investors, cooperation between digital platforms and authorities to prevent trafficking (¶179).

The chapter closes with a section on shared responsibility (¶180-181): the various areas reflect a common underlying issue, namely that if technology becomes the ultimate criterion, the human person risks being reduced to data, a cog in a machine, or a commodity.

Chapter Five: the culture of power and the civilization of love

Chapter Five (¶182-228) is broader in scope than many anticipated. The chapter contrasts the culture of power with the civilization of love, treating war and peace at substantial length. AI appears as one element within a broader treatment of the technologies of force and the conditions for international cooperation.

The civilization of love in the digital age (¶186-187). The phrase "civilization of love" was coined by Paul VI during the Cold War. Pope Leo XIV recovers it for the digital age. The Council's teaching on growing interdependence between peoples remains timely (¶187). The civilization of love must transform imposed interdependence into willed and chosen solidarity.

The normalization of war (¶189-192). The 1965 Paul VI cry "Never again war!" is recalled (¶189), against a present in which war is being normalized as an instrument of international politics. Pope Leo XIV notes the disconcerting loss of historical memory as first-hand accounts of the Holocaust and the World Wars disappear (¶191). The "just war" theory is named as now outdated (¶192): "Today, more than ever, without prejudice to the right to self-defense in the strictest sense, it is important to reaffirm that the 'just war' theory, which has all too often been used to justify any kind of war, is now outdated. Humanity possesses far more effective and capable tools for promoting human life and resolving conflicts, such as dialogue, diplomacy and forgiveness."

Force without limits (¶193-196). The military-industrial complex is named as a defining feature of the current political landscape (¶193). Paragraph 194 addresses nuclear arsenals directly: the prospect of "tactical" use, the development of miniaturized weapons, and the dismantling of nuclear reduction agreements. The Treaty on the Prohibition of Nuclear Weapons (in force since 2021) is supported (¶194), though its symbolic status is acknowledged.

Weapons and artificial intelligence (¶197-200). This is the encyclical's direct treatment of lethal autonomous weapons. Paragraph 197 cites the Holy See's position: autonomous weapons systems make war more feasible and less subject to human control, violating the principle that armed force should be used only as a last resort. Paragraph 198 is the encyclical's clearest statement: "No algorithm can make war morally acceptable. AI does not remove the intrinsic inhumanity of conflict; indeed it can only bring about conflict more quickly and render it more impersonal, lowering the threshold for resorting to violence, transforming defense into threat prediction and thus reducing victims to data."

Paragraph 199 sets out three concrete criteria for AI in warfare: personal responsibility (the chain of accountability must be identifiable and verifiable), the moral timeframe for judgments (speed and efficiency cannot govern irreversible decisions), and the identification and protection of civilians (any technology that facilitates attacks without seeing the face of human beings lowers the moral threshold of conflict). Paragraph 200 then sets out three non-negotiable requirements: all systems used in war must allow decision-making to be retraced and reconstructed; the decision to use lethal force cannot be delegated to opaque or automated processes; an international framework must curb the technological arms race and protect civilians.

The crisis of multilateralism (¶201-203). The post-1989 order, marked by predominantly economic globalization without adequate political framework, has produced fundamentalist and nationalist reactions rather than unity (¶201). The temptation to forge collective identity in opposition to an enemy returns. International institutions are weakened. Tribunals competent for war crimes are bypassed (¶202).

A supposed political realism (¶204-209). Pope Leo XIV names what he calls a false realism (¶205): not the genuine assessment of constraints and power dynamics, but resignation to the inevitability of war. In his words: "what is truly irresponsible is Realpolitik, the form of political 'realism' that sows in consciences and in society an attitude of resignation to the inevitability of war, and dismisses peace and dialogue as utopian or irrational positions that ignore the risks at stake. In fact, peace is neither a naive hope nor merely the absence of war; instead, it is always possible as the fruit of justice and charity." Paragraph 209 carries a particular responsibility for researchers: "All the key players in this field — scientists, business owners, investors, academic authorities, politicians and others — must work with a transparent and responsible mindset, while maintaining an acute awareness of the broader context of the technological advancements they help to cultivate, including those related to AI."

Building the civilization of love (¶210-228). The chapter then turns constructive. Five paths are named: disarming words (¶214: "Let us disarm words and we will help to disarm the world"), building peace through justice (¶215), adopting the perspective of victims (¶216-217), cultivating a healthy realism (¶218), and reviving dialogue (¶219-223). On dialogue, Pope Leo XIV repeats the words of his first papal address (¶222): "Let us meet, let us talk, let us negotiate! War is never inevitable." The chapter closes with the necessity of diplomacy and multilateralism (¶224-227) and praying and hoping (¶228).

Conclusion: the Word made flesh and the song of hope

The Conclusion (¶229-245) returns to Christ as the source and the end of the encyclical's argument. Pope Leo XIV proposes a Christian life program with four pillars: contemplating God's plan, living ecclesial unity through the Eucharist, building a world centered on the common good, and praying in union with the Blessed Virgin Mary.

The Word became flesh (¶230-233). The mystery of the Incarnation is set against the transhumanist promise of disembodied enhancement. Paragraph 232 contrasts the two paths: "On the one hand, old and new ideologies alike urge humanity to overcome limitations through technology, and to rise above others by asserting dominance. Contrary to this, the mystery of the Son of God entering into our human condition promises something quite different. The living God descends into our history in order to free us from all forms of slavery." Paragraph 233 makes a striking claim: "No computational system, however sophisticated, can create a heart that gives itself, or a conscience that discerns good from evil. Even when machines excel in efficiency, a human face that asks to be gazed upon remains the center of our history."

One body in Christ (¶234-235). The Eucharist as the source of Christian solidarity. Pope Leo XIV cites Augustine on the Body of Christ: "If you are the body and members of Christ, then it is your sacrament that is placed on the table of the Lord; it is your sacrament that you receive." The Eucharist opens to justice and sharing, with preferential concern for those burdened by poverty or marginalization.

The construction site of our time (¶236-242). The chapter sets out four concrete imperatives: remain faithful to the truth (¶237), invest in education (¶238), cultivate relationships (¶239), and love justice and peace (¶240). Paragraph 241 returns to the image of Nehemiah, who heard the cry of a devastated city and rebuilt brick by brick: "Like Nehemiah, we too are called to unite listening and courage, prayer and responsibility, so that, even when a technocratic mentality or partisan interests seem to prevail, the human city may become a more fitting place to live."

The song of hope: the Magnificat (¶243-245). The encyclical closes with Mary's canticle in Luke 1. The Magnificat is the prayer of "the strongest and most innovative hymn ever articulated" (¶244, quoting Paul VI), in which the lowly are lifted up and the mighty cast down. Pope Leo XIV writes in ¶245: "With the same faith as Mary, let us become 'weavers of hope' in our world, sharing who we are and what we have, so that the presence of Jesus may grow among us and his Kingdom take shape. In the humble fidelity of daily life, even the era of AI can become a time in which the Holy Spirit brings about the civilization of love in our lives."

Key passages

The most important passages from Magnifica Humanitas, organized by theme. For a fuller treatment with additional passages, see the dedicated key quotes page.

"Humanity, created by God in all its grandeur, is today facing a pivotal choice: either to construct a new Tower of Babel or to build the city in which God and humanity dwell together."

Magnifica Humanitas, n. 1

"In the era of artificial intelligence, when human dignity is threatened by new forms of dehumanization, ours is the pressing duty to remain profoundly human."

Magnifica Humanitas, n. 15

"Today, among the goods that are universally intended for everyone, we must also include new forms of property, such as patents, algorithms, digital platforms, technological infrastructure and data."

Magnifica Humanitas, n. 67

"The principle of subsidiarity applies especially in the context of the digital revolution. Here, the highest level is not the State, but rather major economic and technological actors that exercise de facto power over the conditions of everyday life."

Magnifica Humanitas, n. 71

"Disarming AI means freeing it from the mentality of 'armed' competition, which today is not limited simply to the military context, but is also an economic and cognitive phenomenon... To disarm does not mean rejecting technology, but preventing it from dominating humanity."

Magnifica Humanitas, n. 110

"If the human being is treated as something to be perfected or surpassed, it becomes easier to accept that some lives are less useful, less desirable or less worthy."

Magnifica Humanitas, n. 117

"Current approaches to technology can paradoxically de-skill workers, subject them to automated surveillance and relegate them to rigid and repetitive tasks."

Magnifica Humanitas, n. 150

"No algorithm can make war morally acceptable. AI does not remove the intrinsic inhumanity of conflict; indeed it can only bring about conflict more quickly and render it more impersonal."

Magnifica Humanitas, n. 198

The complete record of Pope Leo XIV's AI teaching, including the addresses and the 2026 World Communications Day message that the encyclical develops, is compiled here.