A research biography of the ninth Imam: Muhammad Ibn Ali, At-Taqi or al-Jawad (as) who has filled the world with his virtues, knowledge, asceticism and piety.
In such a situation, the Imam (as) embarked on guiding the people and held discussions with men of different faiths and religions as far as he could. He also gave valuable statements and explanations concerning the Islamic sciences and the facts of religion (al-Ma\’mun was also excessively interested in religious discussions.)