Categories of Hadith a khabar and, therefore, a hadith can be a true report or a concoction. It is on the basis of this premise that the Muslim scholars hold that a hadith offers a "ẓannī" (inconclusive/probably true) evidence. It is as though a hadith may have many possibilities on the plane of reliability. In one of the major works in the science of hadith, Al-Khatib al-Baghdadi has divided the individual narratives in the following categories, according to their epistemic value: Categories of Hadith Different categories of hadith (sayings attributed to the Islamic prophet Muhammad) have been used by various scholars. Experts in
Hadith of the Ark follows: Behold! The similitude of my Ahlul Bayt, is like that of the Ark of Noah: The one who embarks it, will have saved himself, and the one who turns away from it, is doomed. Many Sunni books narrate this Hadith. Some significant Sunni books that narrate this Hadith are: Al-Hakim al-Nisaburi, one of the greatest Sunni scholars, narrated this hadith as authentic (sahih) in his Mustadrak. Al-Heithami in his book ("written against Shia") states: By many narrations of this hadith which strengthen each other;""certainly Ahl al-Bayt are like the Ark of Noah, saved Whoever boarded"", and in Sahih Muslim