While traditional understanding strongly denies that Quran may have changed,(Al Hejr:9) Classical jurists held its "textual integrity" to be beyond doubt on account of it having been handed down by many people in each generation, which is known as "recurrence" or "concurrent transmission" (tawātur). the authenticity of hadiths could only be questioned through the chain of narration, though some western researchers suggests that primary sources may have also been evolved.
While traditional understanding strongly denies that Quran may have changed,(Al Hejr:9) Classical jurists held its "textual integrity" to be beyond doubt on account of it having been handed down by many people in each generation, which is known as "recurrence" or "concurrent transmission" (tawātur). the authenticity of hadiths could only be questioned through the chain of narration, though some western researchers suggests that primary sources may have also been evolved.