Imam Muhammad b. Ali al-Baqir (AS) known as Imām al-Bāqir and Bāqir al-'Ulūm, is our fifth Imam. In his period, he made a great scientific movement. He was greater than anyone in piety, merits, grandeur, and knowledge. His narrations in manner, Qur'an sciences, the conduct of the Holy Prophet (PBUH), moral conduct and religion was really significant and effective. Accordingly, during his Imamate, a prodigious step was taken towards the organization of Shi’a thought in different fields.