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“Magnifica Humanitas:” Pope Leo’s Clarion Call on AI

Jul 2, 2026 · 30m

Summary

Tristan Harris and Aza Raskin discuss their participation in the Vatican’s release of the AI encyclical *Magnifica Humanitas, which urges a pro-human future over an AI arms race. They reflect on meeting Pope Leo XIV, screening the AI documentary for Vatican officials, and the critical need for moral voices outside commercial incentives. The episode highlights the Vatican’s historic role in addressing civilizational threats, drawing parallels to nuclear disarmament and emphasizing that clarity creates agency in navigating technological risks.

Topics discussed

Introduction to the Vatican AI Encyclical and conference Reactions to the AI documentary screening Historical context of encyclicals and Pope Leo XIII Vatican's history with arms races and nuclear weapons The role of moral institutions in modern governance Personal experience staying inside the Vatican walls Distinguishing ethical AI from the AGI arms race AI as a test of human values and incentives Pope Leo's call to disarm AI competition Anthropic co-founder's presence and moral voices UN diplomats' lack of AI knowledge and clarity The complexity gap and the need for collective understanding Key themes in the encyclical: power, war, and humanity The Vatican as a potential moral mediator Future social contracts and preserving a human future Closing remarks and credits
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