Some of the scholars have testified to this.
Ibn Haban has considered Ja’far Ibn Muhammad one of the trustworthy narrators of tradition, saying, “He was one of the noblemen of the Ahlul Bayt in terms of jurisprudence and knowledge. His traditions are benefitted from.”
Shahristani writes about Imam Sadiq (a.s.), “He was very knowledgeable in science and religion and perfect in piety and wisdom. He avoided passions. He lived in Medina for a while; his friends from the Shi’ah benefitted from his knowledge. Then he moved to Iraq and stayed there for a while.”
Ahmad Ibn Hajar Hiythami has written, “The best son of Muhammad Baqir was Ja’far Sadiq; therefore, he became the successor to his father and the caliph after him. The people have narrated many traditions from him, which were spread in all regions. Great religious leaders, such as Yahya Ibn Sa’id, Ibn Jurayh, Malik, Dusufyani, Abu Hanifah, Shu’bah, Ayyub Sajistani have narrated tradition from him, too.”
Muhammad Ibn Talhah Shafi’i writes, “Ja’far Ibn Muhammad Sadiq was one of the noblemen of the Ahlul Bayt. He was so knowledgeable. He worshipped and remembered Allah very much. He was very pious and recited Holy Quran much. He pondered in Quranic meanings, found trivial facts, and discovered amazing results. He spent his time in various kinds of worship, reckoning himself in this regard. Seeing him reminded the people of the Hereafter. Listening to his speech made the people pious. Following him brought about the Paradise. His illuminated face and his purified deeds showed that he was from the progeny of Prophet Muhammad (S).”
A group of religious leaders, such as Yahya Ibn Sa’id Ansari, Ibn Jurayh, Malik Ibn Anas, Thuri, Ibn Ayinah, Shu’bah, and Ayyub Sajistani have narrated traditions from him, considering it an honor for themselves.”
Shiykh Mufid has written about Imam Sadiq (a.s.), “Sadiq; Ja’far Ibn Muhammad Ibn Ali Ibn Husayn (a.s.) was chosen among his brothers and appointed as his father’s caliph and successor. He was superior to his brothers in terms of knowledge. He was the most famous and the most honorable of them for the public and the elites. His sciences were distributed in all regions. The great number of traditions narrated from him is not narrated from other members the Ahlul Bayt. The tradition experts have counted four thousand trustworthy narrators for his traditions.”
Ibn Sabbagh Maliki has written, “Ja’far Sadiq was his father’s caliph and successor after his father. He was superior to his brothers in terms of knowledge, intellect, and greatness. The people have narrated many scientific issues from him, which are distributed everywhere. The traditions narrated from him have not been narrated from any other relative of him.”
‘Amr Ibn Abil Maqdam has said, “When I looked at Ja’far Ibn Muhammad (a.s.), I felt he was from the progeny of the prophets.
Malik Ibn ‘Anas has said, “By Allah that I saw no one superior to Ja’far Ibn Muhammad (a.s.) in terms of piety, knowledge, and worship.”
Ziyad Ibn Ali has said, “In every age there is someone from us, the Ahlul Bayt, who is the Hujjat (argument) of the Almighty Allah for the people. The Hujjat of this age is Ja’far Ibn Muhammad, my brother’s son. Everyone who follows him will not go astray and everyone who disobeys him will not be guided.”
‘Isma’il Ibn Ali Ibn Abdullah Ibn Abbas has said, “One day I went to see Abu Ja’far Mansur. He wept until his beard was wet. He told me, ‘You do not know what has happened to the Ahlul Bayt!’ I asked, ‘O Amiral Mu’minin! What is that happening?’ He answered, ‘The master of the world; the remnant of the good people has passed away.’ I asked, ‘Who is he?’ Abu Ja’far Mansur replied, ‘Ja’far Ibn Muhammad.’ I said, ‘May Allah give you reward and long life in this calamity.’ He said, ‘Ja’far Ibn Muhammad was one of the people about who the Almighty Allah has stated, ‘Then We have given the Book for inheritance to such of Our Servants as We have chosen.’ Ja’far Ibn Muhammad was one of those who was chosen by the Exalted Allah and was one of the pioneers of goodness.”
Malik Ibn Anas, the jurisprudent of Medina, has said about Imam Sadiq (PBUH), “When I went to Ja’far Ibn Muhammad Sadiq, he respected me, brought me cushion (to lean), and said, ‘O Malik! I like you.’ I was happy of his conduct and thanked the Almighty Allah. He was in either of three states; fasting, praying, or remembering Allah. He was one of the greatest worshipper and pious men. He narrated many traditions and held useful meetings. Whenever he narrated from the Messenger of Allah, his face changed color, in a way that he could be hardly identified.”
Once I accompanied him in Hajj. When he wanted to recite talbiyah for ‘ihram, his voice stopped in his throat and could not utter it. He nearly fell from atop his horse. I told him, ‘O son of Messenger of Allah! You inevitably should recite talbiyah.’ He told me, ‘O Ibn ‘amir! How can I dare say ‘Here am I O Allah!’ while I fear that the Exalted Allah may respond me, ‘No to you, nor are you blissful!)’
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