The Quran translated into many languages in a simple and easy interface. Looks like either your browser does not support Javascript or its disabled. Quran.com workes best with JavaScript enabled. So the Trilogy is the Koran, the Sira and the Hadith. Most people think that the Koran is the “bible” of Islam, but it is only about 14% of the total textual doctrine. The Trilogy is the foundation and totality of Islam. FIGURE 1.1: THE RELATIVE SIZES OF THE TRILOGY TEXTS Islam is defined by the words of Allah in the Koran, and the words.