Encyclical Letter ยท 15 May 2026

Encyclical Letter of His Holiness Magnifica Humanitas Pope Leo XIV

On Safeguarding the Human Person in the Time of Artificial Intelligence

Author Pope Leo XIV
Publication 15 May 2026
Theme AI & Human Dignity
Document Encyclical Letter

What is Magnifica Humanitas?

The third encyclical of Pope Leo XIV, Magnifica Humanitas, addresses the most pressing moral and social questions of our time: how to safeguard the dignity of the human person in an era increasingly shaped by artificial intelligence and digital transformation.

01

A Choice Between Two Cities

The encyclical opens with two biblical images: the Tower of Babel, a symbol of technological power without God, and the rebuilding of Jerusalem's walls under Nehemiah, a symbol of collaborative construction for the common good.

02

Social Doctrine Reaffirmed

Building on the tradition from Rerum Novarum through Laudato Si' and Fratelli Tutti, the encyclical applies the principles of the common good, subsidiarity, solidarity, and social justice to the digital age.

03

Technology & Dominance

A critical examination of the technocratic paradigm, transhumanism, and posthumanism, warning against visions that would "enhance" humanity beyond its God-given nature.

04

Truth, Work, Freedom

The encyclical addresses concrete challenges: truth in the age of disinformation, the dignity of work amid automation, and the protection of freedom against digital dependencies.

05

The Civilization of Love

A vision for peace in the digital age, addressing the culture of power, autonomous weapons, and the call to build a civilization grounded in love rather than dominance.

Primary Source

The full text is published by the Holy See at the Vatican website. This page provides a structured summary and guide to the encyclical's key teachings.

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A Pivotal Choice for Humanity

The encyclical's introduction lays out the stakes of our era: either to construct a new Tower of Babel or to build the city in which God and humanity dwell together.

01

The Res Novae of Our Time

While Leo XIII spoke of "new things" in his time, Pope Leo XIV calls us to interpret the great trends of our era, particularly technological advances. Technology is "a profoundly human reality," yet today's power and prevalence of emerging technologies require new discernment.

02

Two Biblical Images

The Tower of Babel represents a project conceived without reference to God, built on pride, uniformity, and self-sufficiency. The rebuilding of Jerusalem's walls under Nehemiah represents shared responsibility, prayer, planning, and working together with God at the center.

03

Building for the Common Good

Building the common good requires: a firm relationship with God, accepting human limits and weakness, shared responsibility and courage, and an evangelical language that sheds light rather than divides.

04

Remaining Human

"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. True progress always stems from a heart open to others, an intelligence willing to listen, and a will that seeks what unites."

The Grandeur of Humanity in Light of AI

The encyclical's third chapter examines the deepest questions about human identity in the technological age.

The Technocratic Paradigm

When efficiency becomes the ultimate measure of value, human beings are tempted to see themselves as a project to be optimized rather than as persons called to relationship and communion.

The Limit and the Heart

"Humanity flourishes not despite limitations, but often through them. Finitude, when truly accepted, does not diminish us but opens us to recognizing the face of God and others."

Authentic Transcendence

"What saves humanity is not enhanced self-sufficiency, but a relationship that liberates, a communion that transforms. We become fully human when we let God bring us beyond ourselves."

The Five Movements of the Encyclical

Magnifica Humanitas unfolds through five chapters, each building on the principles of Catholic Social Doctrine to address the challenges of the digital age.

Chapter One

A Dynamic Approach Faithful to the Gospel

Traces the development of the Church's Social Doctrine from Leo XIII's Rerum Novarum through the Second Vatican Council, John Paul II, Benedict XVI, and Francis. It presents Social Doctrine not as a handbook of principles but a process of shared discernment born from the encounter between the eternal truth of the Gospel and the questions of history.

Church journeying through history Dialogue with human sciences Shared discernment Development of Social Doctrine
Chapter Two

Foundations and Principles of the Social Doctrine of the Church

Reaffirms the foundations of Social Doctrine: the human person as image of the Triune God, equal dignity of all human beings, and the supreme value of human rights. It explores the principles of the common good, universal destination of goods, subsidiarity, solidarity, and social justice as criteria for navigating the digital revolution.

Human dignity Common good Subsidiarity Solidarity Social justice Integral development
Chapter Three

Technology and Dominance. The Grandeur of Humanity in Light of the Promises of AI

Examines the technocratic paradigm, the nature of AI as a valuable tool requiring vigilance, and the urgent need for responsibility, transparency, and governance. It warns against transhumanism and posthumanism, and presents the Christian vision of authentic "more than human" through grace, not technology.

Technocratic paradigm AI governance Transhumanism Human finitude Grace and Christian humanism
Chapter Four

Safeguarding Humanity at a Time of Transformation. Truth, Work, Freedom

Addresses concrete challenges: truth as a common good threatened by disinformation and AI-powered manipulation; the dignity of work in an era of automation and job displacement; and the protection of freedom against digital dependencies, commercial exploitation, and new forms of slavery.

Truth and democracy Ecology of communication Educational alliance Dignity of work Digital freedom
Chapter Five

The Culture of Power and the Civilization of Love

Concludes with a vision of peace and the civilization of love in the digital age. It addresses the normalization of war, autonomous weapons, the crisis of multilateralism, and calls for disarmament of words, building peace through justice, and reviving dialogue at all levels.

Culture of power Autonomous weapons Peace through justice Dialogue and diplomacy Civilization of love

Key Passages from the Encyclical

Direct excerpts from Magnifica Humanitas that capture the heart of Pope Leo XIV's teaching.

"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, §1

"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."

— Magnifica Humanitas, §15

"The quality of a civilization is measured not by the power of its means, but by the care it is able to offer, by its ability to recognize the other as a face not merely as a function."

— Magnifica Humanitas, §114

"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."

— Magnifica Humanitas, §110

Frequently Asked Questions

The fastest answers to the questions people ask first about Magnifica Humanitas.

Magnifica Humanitas is the third encyclical letter of Pope Leo XIV, published on 15 May 2026. Its full title is "Encyclical Letter Magnifica Humanitas of His Holiness Pope Leo XIV on Safeguarding the Human Person in the Time of Artificial Intelligence." It applies the principles of Catholic Social Doctrine to the challenges posed by AI, digital transformation, and the technocratic paradigm.

Pope Leo XIV, the current Bishop of Rome and Supreme Pontiff of the Catholic Church, wrote Magnifica Humanitas. The encyclical follows in the tradition of his predecessors' social teaching, particularly Rerum Novarum (Leo XIII), Laudato Si' (Francis), and Fratelli Tutti (Francis).

"Magnifica Humanitas" is Latin for "The Grandeur of Humanity." The title reflects the encyclical's central theme: affirming the profound dignity and beauty of the human person created in the image of God, especially in an age when technology threatens to reduce human beings to data, performance, and utility.

The encyclical argues that humanity faces a fundamental choice between two paths: the Tower of Babel (technological power without God, uniformity, and dominance) or the rebuilding of Jerusalem (collaborative construction for the common good with God at the center). It applies the principles of Catholic Social Doctrine—the common good, subsidiarity, solidarity, and social justice—to evaluate and guide the development of AI and digital technologies.

The encyclical recognizes AI as a valuable tool that requires vigilance. It calls for responsibility, transparency, and governance of AI systems. It warns against the technocratic paradigm that reduces everything to efficiency and control. The document argues that AI systems are not morally neutral—they embody choices and priorities through how they are designed, what they measure, and whom they include or exclude.

The complete official text of Magnifica Humanitas is available on the Vatican's website. Read the full text here.

Further Reading

Every claim on this page is grounded in the official encyclical text or the tradition of Catholic Social Doctrine.

Full Encyclical Text

The official text of Magnifica Humanitas published by the Holy See on the Vatican website.

Vatican.va →

Compendium of Social Doctrine

The comprehensive summary of Catholic Social Doctrine, referenced throughout the encyclical as the foundation for its teaching.

Explore →

Rerum Novarum (1891)

Leo XIII's landmark encyclical that inaugurated modern Catholic Social Doctrine, whose 135th anniversary is celebrated in 2026.

Read →