The Catholic Culture Podcast

Pope Leo XIII on the restoration of Christian philosophy

Jul 8, 2025
Explore the call for a revival of Christian philosophy by Pope Leo XIII, highlighting the encyclical Aeterni Patris. Delve into the chaos of Catholic thought between the 16th and 18th centuries and the need for a unified approach. Discover how philosophy and faith intertwine, shaping societal understanding of truth. The discussion also examines the historical challenges posed by pagan thought and the significance of thinkers like St. Augustine and Aquinas. Anticipate explorations of theological diversity in Catholicism and contrasts with Enlightenment views.
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INSIGHT

Why Pope Leo XIII Declared St. Thomas Aquinas the Ultimate Guide for Christian Philosophy

Pope Leo XIII's 1879 encyclical Aeterni Patris called for a revival of St. Thomas Aquinas's philosophy to restore Christian intellectual life. He emphasized that faulty philosophies had deeply influenced society, urging a return to Thomistic principles because they provide:

  • A robust, unified framework to combat errors and adapt to new theological and social challenges
  • A harmonious integration of faith and reason to better understand divine truths
  • A foundation for civil society doctrines on liberty, authority, and social order

Leo highlighted that Aquinas’s method "can scarcely rise higher" in reason and offers "invincible arms" against errors, making Thomism continually relevant for theology, science, and politics. This revival was essential to counter the chaotic and fragmented philosophical approaches of the 19th century.

INSIGHT

Intellect Guides the Will

  • Leo XIII highlights the primacy of the intellect over the will in guiding human actions.
  • False conclusions in philosophy lead to societal errors since the will follows the intellect's perceived good.
INSIGHT

Philosophy Supports Faith

  • Philosophy prepares the way for faith by discovering certain truths through reason.
  • Faith does not obliterate reason but strengthens the light of human intellect.
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