"The Bāṭen’iyyah ʿAqīdah," was originally introduced by "Abu’l-Khāttāb Muhammad ibn Abu Zaynab al-Asadī," and later developed by "Maymūn al-Qaddāh" and his son "ʿAbd Allāh ibn Maymūn" for the esoteric interpretation of the Qur'an.The members of "Batiniyyah" may belong to either Ismailis or Twelvers.