Hadith of the Quran and Sunnah and believe in a different interpretation of this related hadith. The Sunnis and the Shi'as also disagree about what constitutes the "Sunnah". The Sunnis generally accept this hadith, but narrowly define "sunnah" as the sayings and deeds of Muhammad. Although some include the "implied approvals" of Muhammad. This hadith is considered "sahih" by the Sunni, as stated by following scholars: Shi'as reject this hadith and deem it to be a fabrication designed to distract from what they deem to be the real saying of Muhammad: the 'Hadith of the two weighty/precious things' ("Hadith al-Thaqalayn"). Since the Hadith about Quran and
Introduction to the Science of Hadith al-Ṣalāḥ, in his "Introduction", codified the terminology established by those scholars before him based upon his reading of their works. He did so by citing some of those scholarly statements in the earlier works and deducing from them common terms and definitions in the manner of a scholar authoring a book of "fiqh" (jurisprudence). In this manner, his book was based upon those principles established by the earlier hadith specialists combined with some elements of "fiqh". An example of this would be the inclusion of the division of hadith into "mutawātir" and "āḥād". He therefore only mentioned the statements of