Criticism of Hadith hadith criticism that has been implemented by the "muhaddithin" [orthodox ahadith evaluators] for the past thousand years, ... is far more scientific and exact than modern orientalist approaches." Traditional Islamic scholars who have endevored to refute the Western criticism of hadith include Mustafa al-Siba'i and Muhammad Mustafa Al-A'zami. Some Western academics have also been critical of this "revisionist" approach as a whole, for instance Harald Motzki, (who according to Jonathan Brown demonstrates "convincingly" that studies of early hadith and law by Joseph Schacht and the late G. H. A. Juynboll "used only a small and selective body of sources", "based
Hadith of my Hadith, if it agrees with the Holy Book of Allah, it is genuine, but whatever comes to you that does not agree with the book of Allah you must know that I have not said it.' The hadith had a profound and controversial influence on "tafsir" (commentaries of the Quran). The earliest commentary of the Quran known as Tafsir Ibn Abbas is sometimes attributed to the companion Ibn Abbas. The hadith were used in forming the basis of "Sharia" (the religious law system forming part of the Islamic tradition), and "fiqh" (Islamic jurisprudence). The hadith are at the