It is reported in the book Al-Qatra by the scholar Ahmad Radi al-Tabrizi (Najaf Press): Abraham—meaning Abraham the Friend of Allah (al-Khalil)—asked after some discussion: "And by what shall his followers (shi’atuhu)—meaning the followers of Ali—be known?" He said: "By the fifty-one units of prayer (salat), by reciting ‘Bismillahi-Rahmani-Rahim’ aloud, by the qunut before the bowing (ruku’), and by wearing the ring on the right hand." At that, Abraham said: "O Allah, make me one of the followers of the Commander of the Faithful." He said: "Then Allah informed [us] in His Book: ‘And indeed, among his followers was Abraham.’"

[121] And from the book Mashariq al-Anwar: The allusion to his saying, “And indeed, among his followers was Abraham,” is to him. Al-Sadiq—Exalted is His might—said: "Abraham is one of the followers of Ali." If the Prophets are among the followers of Ali, and the reckoning of his followers is unto him, then what is the state of the Prophets in relation to him, their reliance upon his testimony, and [the fact that] the keys to Paradise and the Fire are in his hand,