1) There is not Sunni in the world who has been able to refute this: Sahih al-Bukhari is the most authentic collection of hadiths in the Sunnah Sahih Bukhari: Narrated Jabir bin Samura: I heard Muhammad say "There will be twelve Muslim rulers." He then said a sentence which I did not hear. My father said "All of them (those rulers) will be from Quraish." Book 89:329 Sahih Muslim is the second most authentic collection of hadiths in the Sunnah Sahih Muslim: Narrated Jabir bin Samura: I heard Muha