Al-Baqir is reported to have praised Aban as, "Sit in the mosque of Kufa and give legal judgment to the people.
[3] He is considered one of the frequently quoted jurists of Ja'far's period, When he died al-Sadiq is reported to have said, "I would love to have my Shi'a like Aban b. Taghlib," and "his death grieved my heart."
Aban is famous to have quoted extensively from Imam Sadiq and it is reported that he narrated thirty thousand hadiths from him.
[5] He was the first person to publish a book about the meaning of the Holy Quraan which was renewed with different interpretations every year and is still used by many scholars and students even today.
Imam Baqir ordered him to "Sit in the Prophet’s mosque in Medina and provide answers to legal questions (wa afti ’l-nās); for I would like it to be known that people like yourself belong to my shīʿa"[2] [7] Shi'ite scholars consider him reliable and the Sunni scholars such as Al-Nasa'i and Al-Dhahabi which confirmed his reliability and trustiness in his biographical dictionary saying "Aban ibn Taghlib the Kuffen a staunched Shi'ite but trustful, to us his trust, and to him his heresy" he also narrated that Ahmad ibn Hanbal, Yahya ibn Mu'in and Abu Hatam have confirmed him trustful.