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
considered to be the second basic source of Islam after the Quran. The authentic part of Hadith literature coupled with the Quran, provides an all-inclusive text of Islamic ideology. Thus, by both the sources
writing, the original version of Islam has been so perfectly and permanently preserved, that until the coming of doomsday, anybody can at any time confirm how Islamic teachings were revealed from God,