Hadith of the two weighty things went to Zayd b.Arqam, one of the transmitters of the standard Ghadir Khumm. Zayd said to them that he has "forgotten some [of what he had heard from the prophet]" but he began to recite Hadith al-Thaqalayn for them as words that heard from prophet in The event of Ghadir Khumm. As the Allameh Tabataba'i said, some points can be driven from this hadith such as "the Holy Quran will remain until the day of Judgment, the progeny of the Mohammad prophet will remain". There will be any period of time that Shia Imam doesn't exist to guide Muslims. All
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