If Muhammad claimed to stand in the line of Abraham, Moses and Jesus, there is a straightforward test worth making: compare the conduct attributed to Muhammad in Islam's own sources with the earlier biblical standards he claimed to confirm. . Marriage and sexual ethics Muhammad's marital life differed substantially from the Christian model around Jesus' teaching. Sahih al-Bukhari records Muhammad having nine wives simultaneously . The New Testament, by contrast, requires an overseer to be the “husband of one wife” (1 Timothy 3:2). Bukhari also records Aisha reporting that Muhammad married her at six and consummated the marriage when she was nine . Whatever arguments are made about seventh-century marriage customs, that is what the canonical Sunni hadith collection reports. Then there is Zaynab bint Jahsh . She was not Muhammad's biological son's wife, as is sometimes claimed. She was married to Zayd ibn Haritha, Muhammad's adopted son . After their divo...