The second reason being that the Shi’ah’s doctrines...

The second reason being that the Shi’ah’s doctrines contradict their (Sunnah’s) opinions in supporting the caliphs and confirming their blunders and ijtihādat (exertions of opinion) against the texts (nusus), particularly the Umayyad rulers, at the head of whom being Mu‘āwiyah ibn AbiSufyān.

Hence, every truth-seeker, following up the matter, will find out that the dispute between the Shi’ah and Ahl al-Sunnah originated, in fact, since the Saqifah Day, and exacerbated afterwards, and every dispute erupted after it is verily dependent on and stemmed from it. The best evidence for this being that the beliefs and creeds with which Ahl al-Sunnah…