According to Ismā‘īlīsm, Allah has sent "seven" great prophets known as “Nātıq” (Spoken) in order to disseminate and improve his Dīn of Islam. All of these great prophets has also one assistant known as “Sāmad (Silent) Imām”. At the end of each seven “Sāmad” silsila, one great “Nātıq” (Spoken) has ben sent in order to reimprove the Dīn of Islam. After Adam and his son Seth, and after six “Nātıq” (Spoken) – “Sāmad” (Silent) silsila (Noah–Shem), (Abraham–Ishmael), (Moses–Aaron), (Jesus–Simeon), (Muhammad bin ʿAbd Allāh–Ali ibn Abu Tālib); the silsila of “Nātıqs and Sāmads have been completed with (Muhammad bin Ismā‘īl as-ṣaghīr (Maymûn’ûl-Qaddāh)–ʿAbd Allāh Ibn-i Maymûn and his sons).