Hadith of position meaning "report", "account" or "narrative". Hadith are second only to the Quran in developing Islamic jurisprudence, and regarded as important tools for understanding the Quran and commentaries ("tafsir") on it. The hadith literature is based on spoken reports that were in circulation in society after the death of Muhammad. Unlike the Quran itself, which was compiled under the official direction of the early Islamic State in Medina, the hadith reports were not compiled by a central authority. Hadith were evaluated and gathered into large collections during the 8th and 9th centuries, generations after the death of Muhammad, after the end
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