Hadith of the Quran and Sunnah having been said during Muhammad's Farewell Sermon atop Mount Arafat after his Last Pilgrimage.(e.g. Malik Muwatta) Slightly varied versions are cited in many Sunni hadith works. Among those are: John Esposito explains the importance of the Hadith in Islam: "the Prophet Muhammad is seen as the "living Quran," the embodiment of God's will in his behavior and words. Sunni Muslims ... take their name from the "sunnah," meaning those who follow the example of the Prophet". Prof. Fatih Okumus refers to Muhammad as "the walking Qur’an," with the Sunnah giving an example to follow. As the sayings and deeds of
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