Hadith of the two weighty things Hadith of the two weighty things The Hadith al-Thaqalayn, also known as the Hadith of the two weighty things, refers to a saying (hadith) of the Islamic prophet Muhammad. According to the hadith of Muhammad prophet Qur'an and "Ahl al-Bayt" ("people of the house", Muhammad's family) had been described as the two weighty things. In the context of this Hadith, Muhammad's family refers to Imam Ali ibn Abi Talib, Fatimah bint Muhammad (the daughter of Muhammad), and their children and descendants. This hadith is accepted by Shia and Sunni Islam. The Hadith al-Thaqalayn, as most strongly established hadiths, is classified
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