Pope Leo: The Wall and the Machine Substack · The One Percent Rule 10+ likes · 2 days ago His writing is Kantian in structure... It names the moral responsibility of those who design ... Read more Google AI: Pope Leo XIII (who historically condemned the philosophy of Immanuel Kant) or Pope Leo XIV (who has recently drawn upon Kantian ethical frameworks in contemporary papal teachings). [ 1 , 2 , 3 , 4 , 5 ] Pope Leo XIII's Condemnation of Kant Pope Leo XIII was a staunch opponent of Immanuel Kant's philosophical system. In his encyclical Aeterni Patris (1879), Leo championed a return to the scholastic realism of St. Thomas Aquinas. The Vatican explicitly placed Kant’s Critique of Pure Reason on the Index of Forbidden Books . [ 1 , 2 , 3 ] The Catholic Church historically rejected Kantianism for several reasons: [ 1 , 2 ] Metaphysical Agnosticism: Kant argued that the human mind cannot know things as they truly are. [ 1 ] Moral Autonomy: Kantian ethics priori...