The Book of Nestor the Priest

The Book of Nestor the Priest, originally titled Account of the Disputation of the Priest (Qissat Mujadalat al-Asquf Arabic: قصة مجادلة الأسقف) or its Hebrew textual avatar Sefer Nestor Ha-Komer (written c. 900 CE)[1][2] is thought to be the earliest surviving anti-Christian Jewish polemic.

and also a translation to Hebrew which confused an opening quote from Nestorius with the name of the author of the book, who is actually unknown.

The text is written as the story of a Christian priest (wrongly named Nestor in the Hebrew translation) who converted to Judaism and wrote a critical account of the fundamental Christian doctrine regarding the nature of Jesus and the Trinity.

[5] A modern edition פולמוס נסתור הכומר The Polemic of Nestor the Priest by Daniel J. Lasker and Sarah Stroumsa was published by the Ben-Zvi Institute for the Study of Jewish Communities in the East, 1996.

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