Islamic world united under the rule of the caliphate. In other words, the Koran did not exist as an undisputed, uniform text from the beginning but achieved that status only after Uthman’s decree was carried out to burn all competing texts and copy instead the newly reformed text of Zaid ibn Thabit. Even the casually reported fact of Uthman’s commissioning three Quraishi men (who spoke the same Arabic dialect as Muhammad) to work with Zaid in recomposing any sections of the Koran that reflected a