Hadith of the Quran and Sunnah Sunnah was said by Muhammad in front of the larger gathering during his Farewell Sermon, and the Hadith about Quran and Ahl al-Bayt was said by Muhammad in front of the smaller gathering at Ghadir Khumm, the Shi'as believe that only the 'Hadith of the two weighty things' is authentic. At the same time, Shi'as do agree with the meaning of the Hadith, even if they deem it a fabrication. The Shi'as believe in following the Sunnah of Muhammad, but they say that this is only possible via the Ahl al-Bayt (Muhammad's family). The Shi'as believe that Muhammad said "Hadith
Hadith terminology in and of itself"with the same definition a "ṣaḥīḥ hadith" except that the competence of one of its narrators is less than complete; while a "hadith" that is "ḥasan ligharihi" ("ḥasan due to external factors") is determined to be "ḥasan" due to corroborating factors such as numerous chains of narration. He states that it is then comparable to a "ṣaḥīḥ hadith" in its religious authority. A "ḥasan hadith" may rise to the level of being "ṣaḥīḥ" if it is supported by numerous "isnād" (chains of narration); in this case that "hadith" would be "ḥasan lithatihi" (""ḥasan" in and of itself")