Sunni ppl agreed that islamic rules " shara' " r derived from 2 sources Quran & sunna & every thing we wonder about we should return to Allah & his messenger (saw) as it was mentioned in Quran in (4:59).shia ppl insult prophet companions & sunni ppl dont, so we will return to Quran & sunnah.therez a famous verse which talked about prophet companions & that they were mentioned b4 in tawrah & injeel(the bible) . This verse is present in (48:29).& if we imagined there was nt an evidence . How can we insult companions whom were chosen by Muhammad(saw) . Companions who carried Islam to us . To Iran itself . The goal of those who insult prophet companions is to destroy Islam itself . when u insult prophet companions then u r saying that Quran they collected & sunna they told us r a lie . Then islamic rules r a lie also & then " shara' " will be derived from shia imams who r nt prophets while shia ppl treat them as if they were gods.