Egypt provided many of the themes and much of the detail. From the age of the Ptolemies, Alexandria was the ancient cooking pot of religious fusion. Here, Hellenised Judaism influenced the early Christians. From Egypt, Catholicism copied its rituals and ceremonies, including relics, demonology, and monasticism. The Patriarchs of Alexandria wrote much of Catholic theology and it was probably in Alexandria that a profound and detailed Buddhist influence impressed itself upon the faith.