Hadith of the Quran and Sunnah accept the authenticity of the related Hadith of the two weighty things ("Hadith al-Thaqalayn"). In this hadith, Muhammad referred to the Qur'an and "Ahl al-Bayt" ('people of the house', Muhammed's family) as the two weighty things. Although the hadith is accepted by both Sunnis and Shi'as, the two groups differ on the exact wording of what Muhammad said, as well as how to interpret these words. The Shi'as use the Hadith of the two weighty things to prove their claim that Muhammad meant for all his successors to be from his own family ("Ahl al-Bayt"). The Sunnis reject this view
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,