The Muslim historians of doctrine (who are mostly Sunni)...

The Muslim historians of doctrine (who are mostly Sunni) always tried to show that all other schools of thought than their own were not only false but, if possible, less than truly Muslim. Their works describe innumerable “ firqahs ” in terms which readily misled modern scholars into supposing they were referring to so many “heretical sects”.[^7] And so we see that until very recently, western scholars easily described Sunnism as 'orthodox Islam' and…