Imam Ja'far al-Sadiq had a son named Isma'il who was the oldest of his children. Isma'il died during the lifetime of his father who summoned witnesses to his death, including the governor of Medina.[5] Concerning this question , some believed that Isma'il did not die but went into occultation, that he would appear again and would be the promised Mahdi.
They further believed that the summoning of witnesses on the part of the Imam for Isma'il's death was a way of hiding the truth in fear of al-Mansur, the Abbasid caliph. Another group believed that the true Imam was Isma'il whose death meant the imamate was transferred to his son Muhammad. A third group also held that although he died during the lifetime of his father he was the Imam and that the imamate passed after him to Muhammad ibn Isma'il and his descendants. The first two groups soon became extinct, while the third branch continues to exist to this day and has undergone a certain amount of division.
The Isma'ilis have a philosophy in many ways similar to that of the Sabaeans (star worshippers)[6]. combined with elements of Hindu gnosis. In the sciences and decrees of Islam they believe that each exterior reality (zahir) has an inner aspect (batin) and each element of revelation (tanzil) a hermeneutic and esoteric exegesis (ta'wil).[7]
The Isma'ilis believe that the earth can never exist without Proof (hujjah) of God. The Proof is two kinds: "speaker" (natiq) and "silent one" (samit). The speaker is a prophet and the silent one is an Imam or Guardian (wali) who is the inheritor, or executor of the testament (wasi) of a prophet. In any case the Proof of God is the perfect theophany of the Divinity.
The principle of the Proof of God revolves constantly around the number seven. A prophet (nabi), who is sent by God, has the function of prophecy (nubuwwat), of bringing a Divine Law or Shari'ah. A prophet, who is the perfect manifestation of God, has the esoteric power of initiating men into the divine Mysteries (walayat).[8] After him there are seven of his testament (wasi) who possess the power of executors of his testament (wasayat)
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and the power of esoteric initiation into the Divine Mysteries (walayat). The seventh in the succession possesses those two powers and also the additional power of prophecy (nubuwwat). The cycle of seven executors (wasis) is then repeated with the seventh a prophet.
The Isma'ilis say that Adam was sent as a prophet with the power of prophecy and of esoteric guidance and he had seven executors of whom the seventh was Noah, who had the three functions of nubuwwat, wasayat, and walayat. Abraham was the seventh executor (wasi) of Noah, Moses the seventh executor of Abraham, Jesus the seventh executor of Moses, Muhammad the seventh executor of Jesus, and Muhammad ibn Isma'il the seventh executor of Muhammad.
They consider the wasis of the Prophet to be: Ali, Husayn ibn Ali (they do not consider Imam Hasan among the Imams), Ali ibn Husayn al-Sajjad, Muhammad al-Baqir, Ja'far al-Sadiq, Isma'il ibn Ja'far, and Muhammad ibn Isma'il. After this series there are seven descendants of Muhammad ibn Isma'il whose names are hidden and secret. After them there are the first seven rulers of the Fatimid caliphate of Egypt the first of whom, 'Ubaydallah al-Mahdi, was the founder of the Fatimid dynasty. The Isma'ilis also believe that in addition to the Proof of God there are always present on earth twelve "chiefs" (naqib) who are the companions and elite followers of the Proof. Some of the branches of the Batinis, however, like the Druzes, believe six of the "chiefs" to be from the Imams and six from others.
The Batinis
In the year 278/891, a few years before the appearance of Ubaydallah al-Mahdi in North Africa, there appeared in Kufa an unknown person from Khuzistan (in southern Persia) who never revealed his name and identity. He would fast during the day and worship at night and made a living from his own labor. In addition he invited people to join the Isma'ili cause and was able to assemble a large number of people about him. From among them he
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chose twelve "chiefs" (naqib) and then he set out for Damascus. Having left Kufa he was never heard of again.
This unknown man was replaced by Ahmad, known as the Qaramite, who began to propagate Batini teachings in Iraq. As the historians have recorded, he instituted two daily prayers in place of the five of Islam, removed the necessity of ablution after sexual intercourse, and made the drinking of wine permissible. Contemporary with these events, other Batini leaders rose to invite people to join their cause and assembled a group of followers.
The Batinis had no respect for the lives and possessions of those who were outside their group. For this reason they began uprisings in the cities of Iraq, Bahrain, the Yemen, and Syria, spilling the blood of people and looting their wealth. Many times they stopped the caravans of those who were making the pilgrimage to Mecca, killing tens of thousands of pilgrims and plundering their provisions and camels.
Abu Tahir al-Qaramati, one of the Qaramite leaders who in 311/923 had conquered Basra and did not neglect to kill and plunder, set out with a large number of Batinis for Mecca in 317/929. After overcoming the brief resistance of government troops he entered the city and massacred the population as well as the newly arrived pilgrims. Even within the Masjid al-haram (the mosque containing the Ka'bah) and within the Holy Ka'bah itself, there flowed streams of blood. He divided the covering of the Ka'bah between his disciples. He tore away the door of the Ka'bah and took the black stone from its place back to the Yemen. For twenty-two years the black stone was in Qaramite hands. As a result of these actions the majority of Muslims turned completely away from the Batinis and considered them outside the pale of Islam. Even 'Ubaydallah al-Mahdi, the Fatimid ruler, who had risen in those days in North Africa and considered himself the promised Mahdi, abhorred them.
According to the view of historians the distinguishing charac- teristic of the Batini school is that it interprets the external aspects of Islam in an esoteric manner and considers the externals of the Shari'ah to be only for simple-minded people of little intelligence who are deprived of spiritual perfection. Yet occasionally
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the Batini Imams did order certain regulations and laws to be practiced and followed.
The Nizaris, Musta'lis, Druzes and Muqanna'ah
The Nizaris. Ubaydallah al-Mahdi, who rose in North Africa in 292/904 and as an Isma'ili declared his imamate and established Fatimid rule, is the founder of the dynasty whose descendants made Cairo the center of their caliphate. For seven generations this sultanate and Isma'ili imamate continued without any divisions. At the death of the seventh Imam, al-Mustansir bi'llah Mu'idd ibn Ali, his sons, Nizar and al-Musta'li, began to dispute over the caliphate and imamate. After long disputes and bloody battle al-Musta'li was victorious. He captured his brother Nizar and placed him in prison, where he died.
Following this dispute those who accepted the Fatimids divided into two groups: the Nizaris and the Musta'lis. The Nizaris are the followers of Hasan al-Sabbah, who was one of the close associates of al-Mustansir. After Nizar's death, because of his support of Nizar, Hasan al-Sabbah was expelled from Egypt by al-Musta'li. He came to Persia and after a short while appeared in the Fort of Alamut near Qazwin. He conquered Alamut and several surrounding forts. There he established his rule and also began to invite people to the Isma'ili cause.
After the death of Hasan in 518/1124 Buzurg Umid Rudbari and after him his son, Kiya Muhammad, continued to rule following the methods and ways of Hasan al-Sabbah. After Kiya Muhammad, his son Hasan 'AlaDhikrihi'l-Salam, the fourth ruler of Alamut, changed the ways of Hasan al-Sabbah, who had been Nizari, and became Batini. Henceforth the Isma'ili forts continued as Batini. Four other rulers, Muhammad ibn Ala Dhikruhi'l-Salam, Jala al-Din Hasan, 'Ala' al-Din, and Rukn al-Din Khurshah, became Sultan and Imam one after another until Hulagu, the Mongol conqueror, invaded Persia. He captured Isma'ili forts and put all the Isma'ilis to death, leveling their forts to the ground.
Centuries later, in 1255/1839, the Aqa Khan of Mahalat in Persia, who belonged to the Nizaris, rebelled against Muhammad
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Shah Qajar in Kerman, but he was defeated and fled to Bombay. There he propagated his Batini-Nizari cause which continues to this day. The Nizaris are today called the Aqa Khanids.
The Musta'lis. The Musta'lis were the followers of al-Musta'li. Their imamate continued during Fatimid rule in Egypt until it was brought to an end in the year 567/1171. Shortly thereafter, the Bohra sect, following the same school, appeared in India and survives to this day.
The Druzes. The Druzes, who live in the Druze mountains in Syria (and also in Lebanon), were originally followers of the Fatimid caliphs. But as a result of the missionary activity of Nashtakin, the Druzes joined the Batini sect. The Druzes stop with the sixth Fatimid caliph al-Hakim bi'llah, whom others believe to have been killed, and claim that he is in occultation. He has ascended to heaven and will appear once again to the world.
The Muqanna'ah. The Muqanna'ah were at first disciples of 'Ata' al-Marwi known as Muqanna', who according to historical sources was a follower of Abu Muslim of Khurasan. After the death of Abu Muslim, Muqanna' claimed that Abu Muslim's soul had become incarnated in him. Soon he claimed to be a prophet and later a divinity. Finally, in the year 162/777 he was surrounded in the fort of Kabash in Transoxiana. When he became certain that he would be captured and killed, he threw himself into a fire along with some of his disciples and burned to death. His followers soon adopted Isma'ilism and the ways of the Batinis.