Hadith of the Ark believers from non-believers. There must be an Imam at all the times until the Day of Resurrection. The number of Imams is twelve. Based on Tayyebi: One of the narraters of this hadith is Abu Dharr who narrates this hadith while holding on the door of Kaaba which is an emphasis on this hadith and holding on to the ahl al-Bayt. Abu Dharr, while introducing himself, narrates this hadith to remind people that he is Abu Dharr known as Sadiq by Muhammad. The Prophet compares this world with its darknesses, deviations, innovations and passions to a stormy and raging sea
Introduction to the Science of Hadith category, which comprises 21 types, relates to the names of the narrators. This includes the definition of a "ṣaḥābī" (companion), a "tābi`ī" (follower), the time periods of narrators, names and paidonymics among others. Later scholars included additional types of hadith in their own works, with some almost reaching 100. The "Introduction" became the basis for subsequent books in hadith terminology. A number of subsequent scholars followed Ibn al-Ṣalāḥ in the ordering of his book, including al-Nawawī, Ibn Kathīr, al-ʻIraqi, al-Bulqīnī, Ibn al-Jamā`ah, al-Tabrīzī, al-Ṭībī and al-Zirkashī. In many instances this influence was direct, with numerous scholars authoring books indicating its