Hadith of the two weighty things went to Zayd b.Arqam, one of the transmitters of the standard Ghadir Khumm. Zayd said to them that he has "forgotten some [of what he had heard from the prophet]" but he began to recite Hadith al-Thaqalayn for them as words that heard from prophet in The event of Ghadir Khumm. As the Allameh Tabataba'i said, some points can be driven from this hadith such as "the Holy Quran will remain until the day of Judgment, the progeny of the Mohammad prophet will remain". There will be any period of time that Shia Imam doesn't exist to guide Muslims. All
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,