Lo Gnosticismo by Ernesto Buonaiuti

A concise historical and theological survey of ancient Gnostic movements, this study situates their rise at the crossroads of Hellenistic philosophy, late Judaism, and Near Eastern religiosity. It explains core doctrines—dualistic cosmology, the mythic pleroma and demiurge, and salvation through revealed knowledge—and distinguishes major currents such as Sethian and Valentinian strands. The analysis explores debates with early church authorities and heresiologists, the social and spiritual needs Gnosticism addressed, reasons for its decline, and its enduring relevance for understanding the formation of Christian identity and the tension between institutional authority and individual revelation.

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