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,
Criticism of Hadith male step-cousins) as guardian of a minor — (a hadith with no reference). These which are contradicted by "numerous hadiths/reports that women used to participate in mosques regularly and in large numbers"; in the second case by the transmitter (Abu Bakra, not to be confused with Rashidun Abu Bakr), being known for receiving punishment for false testimony; and in the third the hadith was quoted without any reference. Because hadith is "the basis for most" Islamic laws and codes "at the detailed level", which pertain "to people’s life, honour and property", and because many (especially revivalist and conservative Muslims) consider