E-Islam, izincwadi ezingcwele ezithunyelwe ngu-Allah zikhombisa abantu indlela efanele futhi zibaholela ekuholokeni. Kulesi sigaba, kucatshangelwa izincwadi ezine ezinkulu ezithunyelwe ngokwenkolelo yamaSulumane (iTorah, iZabur, iVangeli, neKoran). Umlando wencwadi ngayinye, imilayezo eyiqukethe, injongo yayo yokukhuluma nesizwe esithile, kanye nesimo sayo sokulondolozwa kuze kube namuhla kuyachazwa. Ngaphezu kwalokho, ukuhlanekezelwa kwezincwadi zangaphambili ngokombono wamaSulumane, kanye nokulondolozwa kweKoran njengencwadi yokugcina neyophelele, kucatshangelwa ngendlela enemininingwane. Izimfundiso ezifanayo, ukufana nokuhluka kwezincwadi ezingcwele, kanye nobudlelwano be-Islam nezinye izinkolo ezivela ezulwini nazo ziyachazwa.