Hadith of the two weighty things in Islam as mutawatir and the authenticity of it is confirmed by numerous chains of transmission of Shia and Sunni Muslim . According to Ayatollah Ja'far Sobhani, the hadith points the authoritative knowledge of the Ahl al-Bayt and the Quran and convinces Muslim to believe in both of them together. In spite of difference over historical interpretation, Hadith al-Thaqalayn can improve the union among the Muslims world. According to Sunni tradition (canonical Hadith compiler Muslim b. al-Hajjaj), Hadith al-Thaqalayn was presented by Muhammad prophet at a grove called Khumm. In this tradition Yazid b.Hayyan , Husayn b.Sabrah and Umar b.Muslim
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