Work dossier · summary and historical context
The treatise 'Quod deus non est auctor malorum' (That God is Not the Author of Evil) by Basil of Caesarea argues that God is not responsible for evil, which instead arises from human free will and the devil's influence. It is a philosophical-theological defense of divine goodness, composed in the 370s CE during Basil's episcopacy in Caesarea. The work responds to contemporary debates with Manichaeans and Marcionites, who posited a dualistic origin of evil. The Greek text survives in multiple manuscripts, with the earliest complete witness from the 10th century. The edition by Khazarzar relies on 19th- and 20th-century printed editions and lacks a critical apparatus.
This treatise is a key patristic text on theodicy, arguing against dualistic explanations of evil and affirming divine goodness. It influenced later Byzantine theology, including John of Damascus, and shaped Orthodox understandings of free will and evil. The work remains relevant for studies of early Christian responses to Manichaeism and the development of Eastern Christian thought.
Basil of Caesarea (c. 330–379 CE) wrote this treatise during his tenure as bishop of Caesarea in Cappadocia (370–379 CE). The work engages with dualistic heresies, particularly Manichaeism and Marcionitism, which attributed evil to a separate cosmic principle. Basil defends the orthodox Christian position that God is wholly good and that evil stems from human free will and demonic influence. The treatise reflects the broader 4th-century theological debates on theodicy and free will, influenced by Origen and earlier apologetic traditions. The Greek text was transmitted through Byzantine manuscripts; the earliest complete witness dates to the 10th century. The work was later cited by John of Damascus and shaped Eastern Christian theodicy. The Khazarzar edition relies on printed editions from the Patrologia Graeca (vol. 31) and other 19th-20th century sources, without a critical apparatus.
Apparatus · what the pipeline recorded
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