Hadith same text are each counted as individual ahadith. If, say, ten companions record a text reporting a single incident in the life of Muhammad, hadith scholars can count this as ten hadiths. So Musnad Ahmad, for example, has over 30,000 hadiths—but this count includes texts that are repeated in order to record slight variations within the text or within the chains of narrations. Identifying the narrators of the various texts, comparing their narrations of the same texts to identify both the soundest reporting of a text and the reporters who are most sound in their reporting occupied experts of hadith
Hadith of the Quran and Sunnah single manner. The hadith also refutes the shi'a tradition that the wives of the Prophet are not part of ahlul bayt. Because the truth of the matter is that Zaid clearly says, "His wives are the members of his family...". It is true that he mentions that the hadith is pertaining to Ali, Aqil, and Jafar, and all their offsprings; but, as is the well-known position in the sunni tradition, a companion or anyone other than the prophet can not make official any ruling or opinion. Zaid did not tell why he believes the hadith is pertaining only to Ali,