Criticism of Hadith thus provides "certainty of knowledge" of what Muhammad said, in fact it is only the much rarer subset of sahih -- "mutawatir" hadith -- that provide certain knowledge. "Mutawatir" means the report "of a large number of narrators whose agreement upon a lie is inconceivable. This condition must be met in the entire chain from the origin of the report to the very end." However, according to Wael Hallaq, "the bulk of hadith with which the traditionists dealt, and on the basis of which the Jurists derived the law" were known as "ahad" — i.e. non-"mutawatir" hadith; Hadith without "textually
Hadith of the Ark covered with dark clouds that the only, unique way of salvation is boarding this Ark (safinah). Al-Samhudi states: The salvation is the aspect of resemblance of "Ahl al-Bayt" to Noah's ark by the Prophet. As a result, hadith implies that to be grateful to "Ahl al-Bayt" by their gratitude, appreciation and sanctity. Everyone behave in this way, he is survived from the darkness of enmity and he is grateful; otherwise he is drowned in the sea of disbelief and the punishment of hell is urgent for him. Hadith of the Ark The Hadith of the Ark () is a tradition