Hadith of the Quran and Sunnah and my Sunna." Hadith literature refers to the oral tradition about the words and deeds (Sunnah) of Muhammad. The statement that Islam has these two sources has been attributed to Muhammad. The Sunni Muslims accept this attribution as "sahih" (authentic) and hence a "hadith"; whereas the Shi'a Muslims reject this as being "mawdoo" (fabricated), and not a separate "hadith", arguing that nowhere is it recorded in the Six Authentic Books of the Sunni's (Sahih Sitta). The hadith in the Six Authentic Books are generally accept as authentic throughout Islam. The Qur'an and Sunnah hadith is reported in other books as
Criticism of Hadith "in the early Islamic centuries there could be no better way of promoting a cause, an opinion, or a faction than to cite an appropriate action or utterance of the Prophet." This gave strong incentive to fabricate hadith. According to Daniel Brown, the major causes of corruption of Hadith literature are: Other criticism made of ahadith include Orthodox Muslims do not deny the existence of false "hadith", but believe that through the work of hadith scholars, these false "hadith" have been largely eliminated. al-Shafi'i himself, the founder of the proposition that “sunna” should be made up exclusively of specific precedents