PRESERVATION, UPDATING, DA‘WAH

~ 22 ~ volume of the Qur’an. By employing the doublechecking system, that is, the Qur’an as memorized was checked with the Qur’an in its written form and the Qur’an in written form was checked with the Qur’an preserved in human memory. Thus the first Caliph prepared the first bound volume of the Qur’an, which served as the standard copy. All the later copies of the Qur’an were made from this original volume. Thus, the Qur’an was preserved by following the double method—writing and memorizing, generation after generation, until it reached the age of the printing press, whereupon any possibility of human interpolation in the text was ruled out. CONTRIBUTION OF MUHADDITHIN (SCHOLARS OF HADITH) In addition to this, a huge number of eminent Muslim scholars arose among the first few generations of Islam to prepare a totally authentic and unparalleled historical record generally known as Hadith, Sirah and Maghazi. Within a surprisingly short period of time, they produced a vast and systematic body of literature that contains almost