


This third and final volume of Zigliara’s Summary of Philosophy for the Use of Schools completes the series with a systematic treatment of moral philosophy within the Thomistic tradition of Thomas Aquinas. It presents ethics as a rational science grounded in human nature and ordered toward the ultimate end of human life.
The work begins with general ethics, analyzing human acts in terms of their voluntariness, moral object, and responsibility. Zigliara explains the role of reason and will in determining moral goodness and emphasizes conscience as the application of practical reason to action.
It then treats the virtues and vices, focusing on the cardinal virtues—prudence, justice, fortitude, and temperance—as the stable principles that perfect human action. Moral habits are presented as essential for ordering the passions and guiding conduct toward rational good.
A central section is devoted to natural law, understood as the participation of rational creatures in the eternal law. Zigliara explains how moral obligations are rooted in human nature itself and are therefore universally binding and accessible to reason.
The volume concludes with a discussion of human happiness and the ultimate end, presenting beatitude as the perfection of human life in accordance with reason and virtue. Throughout, Zigliara maintains a clear instructional style, presenting moral philosophy as a unified and rational order directing human life toward its proper fulfillment.
Scholastic Archive is dedicated to bringing untranslated works into English, making the wisdom of the great Catholic theologians accessible to a wider audience.
Scholastic Archive is dedicated to bringing untranslated works into English, making the wisdom of the great Catholic theologians accessible to a wider audience.
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Looking for a specific scholastic work that hasn’t been translated yet?
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