Library / Patrologia Graeca (Open Greek and Latin)De fide ad SimpliciumGregory of NyssaDate380 (370–395), establishedLanguageGreekGenrePatristicOther versions:English: Nicene and Post-Nicene FathersLoading the text…← Epistula ad Petrum fratrem (with Peter's reply)Ad Theophilum adversus Apollinaristas →