Complex sentence: Kingsley was, nevertheless, keen to assert the moral superiority of Christianity over Judaism, and he dedicated long sections of novel to expounding the flaws of Neoplatonism, although readers hoping that Kingsley would villainize all creeds other than Christianity were disappointed.
Split into simpler sentences: Kingsley was, nevertheless, keen to assert the moral superiority of Christianity over Judaism, and he dedicated long sections of novel to expounding Neoplatonism and its apparent flaws. However, those readers hoping that Kingsley would villainize all creeds other than Christianity were disappointed.