We don't have in our hand any hadith or narration confiring thatanyonewho accompanied the Holy Prophet (s.w.) is infallible orjust, or evenpious.
On the contrary, we have many versesdeclaring that some of theHoly Prophet's companions werehypocrite and they remained on theirhypocrisy until they died.
Thus, the opinion which says that all the HolyProphet'scompanions are just, and that they must be obeyed isabsolutelyincorrect, rather it contradicts the Holy Quran.
How can weregardall the companions to be just and that they must be followed,whilesome of them have accused the Holy Prophet's wife of havinganillegal relationship?! This event has been mentioned in the HolyQuran inthe surah of al-Noor, verse 11.
Some other companionswere drunkards,like Qudamah ibn Madh`oon who had beenpunished for this act.
Walidibn `Uqbah was also a companionabout whom the following Quranicverse had been revealed: "Oyou who believe! if an evil-doer comes toyou with a report, lookcarefully into it, lest you harm a people inignorance" [al-Hujurat:6].
Other companions had committed adultry!(See: Usd al-Ghaabah,vol.
4&5, where you can get more informationabout their namesand shameful biography in details).
How can weadhere to anycompanion, while at the same time when we findoutrightcontradictions between what they say and what they do.
This is besidethe mental, dogmatic, and political disputes that hadhappened betweenthe companions themselves? When AbdulRahman ibn `Awf said to ImamAli (a.s.) in the gathering when`Umar was dying: I swear allegiance toyou according to the Quran,the sunnah of the Prophet, and the way oflife of the two caliphs.