Anyhow...
Anyhow, according to Qur'an and the traditions of the Prophet and the commentaries of Qur'an it is clear that `Ali and his two sons were infallible and sinless. The verse of "Purity": When I said, "Shi'ahs do not include anyone else in the verse of Qur'an," I made an under-statement. In fact, many also have said the same thing. They also do not include anyone else.
I would like to quote Mawlana Wahid al-Zaman, the famous Sunni Scholar, whose translation and commentary of Qur'an as well as his book Anwar al-lughah (being the dictionary of Qur'an and Traditions) are among the recognized reference books. He writes in his commentary of Qur'an about this ayah "Some think that it is especially for those family members who had blood relation with the Prophet, i.e. `Ali, Fatimah, Hasan and Husayn. The present translator, (i.e.
himself), says that correct (sahih) and well-connected up to Prophet (Marfu) traditions support the same view, because when the Prophet himself has declared that my family members are these only, then to accept it and believe in it becomes obligatory. And one more sign of correctness of this view is that the pronouns used before and after this verse are those for females, while in this verse are those for males.
It appears that this verse has been placed between the verses connected with the wives of the Prophet. Perhaps the companions (who compiled the Qur'an) did so according to their own `ijtihad' (independent judgment)."[^1] Again he says in his dictionary of Qur'an and Traditions[^2]: "The correct view is that in this ayah of `Purity' only these five persons are included (i.e. The Prophet, `Ali, Fatimah, Hasan and Husayn), though in the usage of Arabs, the word Ahlu'l-Bayt' is used for wives also.
Some people prove by this ayah that these five persons were sinless and masum (infallible). But, if not `ma'sum' then, of course, they were `mahfuz' (Protected from committing any sin or error) surely." I have quoted two references (though I do not agree fully with him in some of his assertions) just to show that not only the `Ithna `Asharis but the learned men of Sunnis also confirm that, according to the rules of Arabic Grammer and according to the correct unbroken traditions of the Prophet only `Ali, Fatimah, Hasan and Husayn are included in it, besides the Prophet himself.
Also it is clear that our claim that these persons were sinless, is shared by the Sunnis scholars also.