Hadith of the Quran and Sunnah Hadith of the Quran and Sunnah Several hadith (oral tradition about the words and deeds of the Islamic prophet Muhammad) indicate the importance as sources of Islam not only the Quran (the revelation of God to Muhammad, infallible but containing compressed information), but also of the Sunnah of the Islamic prophet Muhammad (a detailed explanation of the everyday application of the principles established in the Qur'an that is based on ahadith). One of these hadith quotes Muhammad as saying: "I have left among you two matters by holding fast to which, you shall never be misguided: the Book of God
Criticism of Hadith these not just inspirational or informational but laws "sacrosanct or immutable Shari'ah" to be enforced, and because to others (especially modernist and liberal Muslims) the laws thus developed are "contrary to the intent and spirit of the Qur'an and Islam's fundamental commitment to justice and fairness", the "problem of the authenticity of the Sunnah" or hadith has become an issue for those (especially modernist and liberal Muslims) who believe there is a conflict between the "intent and spirit of the Qur'an" and "centuries-old" ahadith-based jurisprudence. According to M.O. Farooq, despite the widespread belief that sahih hadith are authentic hadith and