Hadith remembers God unceasingly. (Al-Ahzab 33: 21) The hadith literature is based on spoken reports in circulation after the death of Muhammad. Unlike the Qur'an, ahadith were not promptly written down during Muhammad's life or immediately after his death. Hadith were evaluated and gathered into large collections during the 8th and 9th centuries, generations after the death of Muhammad, after the end of the era of the "rightful" Rashidun Caliphate, over from where Muhammad lived. "Many thousands of times" more numerous than Quranic verse, ahadith have been described as resembling layers surrounding the “core” of the Islamic belief (the Quran). Well-known,
Hadith of the Twelve Successors versions of the Genesis creation narrative found in both the Tanakh and The Bible. The earliest know example is found in the Dead Sea Scrolls, Est. 408 BCE to 318 CE. Fihr, which is the founder of Quraish tribe, is a descendant of Prophet Ishmael. Fihr (Quraish) bin Malik bin Nadhr bin Kinanah bin Khuzayma bin Mudrikah bin Ilyas bin Mudhar bin Nizar bin Ma'ad bin Adnan bin Udad bin al-Muqawwam bin Nahur bin Tayrah bin Ya'rub bin Yasyjub bin Nabit bin Ishmael bin Abraham. Hadith of the Twelve Successors The hadith of the twelve successors, or twelve caliphs ()