Patience and self-restraint — he was called al-Kazim (the one who suppresses anger), because even in the face of disrespect and provocation he responded with forbearance, a trait clearly shown in a well-known account of his encounter with a man who had cursed him.
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Imam Musa al-Kazim was born near Medina in 745 CE, the son of Imam Sadiq. His mother, HamidaImam Sadiq's wife and the mother of Imam Musa al-Kazim. She was a freed slave known for her religious knowledge and piety., was a freed and learned slave known for her religious knowledge and piety. Around age twenty, after Imam Sadiq's death in 765 CE and amid the succession crisis that had split off the Ismaili branch from the main body of Shia Muslims, he succeeded his father as Imam. His long imamate of 34 years coincided with the consolidation of Abbasid power in Baghdad and, over time, especially under Harun al-RashidThe fifth Abbasid caliph, who ruled from 786 to 809 CE, at the height of Baghdad's power and prosperity. He grew wary of Imam Musa al-Kazim's popularity and financial network, imprisoned him more than once, and Shia sources also attribute Imam Kazim's death to a poisoning he ordered., faced growing suspicion and repression. He was called al-Kazim (the one who suppresses anger) because he responded with forbearance even to disrespect. Harun al-RashidThe fifth Abbasid caliph, who ruled from 786 to 809 CE, at the height of Baghdad's power and prosperity. He grew wary of Imam Musa al-Kazim's popularity and financial network, imprisoned him more than once, and Shia sources also attribute Imam Kazim's death to a poisoning he ordered., wary of Imam Kazim's religious influence and financial network through khumsone-fifthA religious levy under which Shia Muslims paid a portion of their annual surplus income as a share for the Imam and the needy. The growth of this voluntary financial network around Imam Musa al-Kazim was one reason Harun al-Rashid grew wary of his influence., had him arrested around 795 CE, when the Imam was about fifty. Imam Kazim spent the last four years of his life in prisons in Basra and Baghdad, and died in 799 CE, at around age fifty-four, in a Baghdad prison — poisoned, Shia belief holds, on the order of Harun al-RashidThe fifth Abbasid caliph, who ruled from 786 to 809 CE, at the height of Baghdad's power and prosperity. He grew wary of Imam Musa al-Kazim's popularity and financial network, imprisoned him more than once, and Shia sources also attribute Imam Kazim's death to a poisoning he ordered.. He was buried in Kazimiyyathe quarter of the two KazimsA district in present-day Baghdad, Iraq, where Imam Musa al-Kazim was buried; it later became an important shrine site for Shia Muslims., in present-day Baghdad, Iraq, and his son, Imam Ali al-Reza, succeeded him as Imam; though a small group of followers, known as the Waqifiyyathose who stoppedA small group of Imam Musa al-Kazim's followers who did not accept his death and held that he remained alive in occultation and would return as the awaited Mahdi; this group rejected the succession of his son, Imam Ali al-Reza, and eventually disappeared over time., did not accept his death and awaited his return as the promised Mahdi.
Hadiths
Self-restraint
I have restrained my anger... you are free, for God's sake.
According to a well-known account, a servant girl carrying water dropped a hot pitcher on Imam Kazim's head, injuring him. To test his reaction, she recited a Qur'anic verse line by line: "And those who restrain their anger" — he replied, "I have restrained my anger." She continued, "and who pardon people" — he said, "God has pardoned you." She finished the verse, "and God loves those who do good" — and he freed her on the spot. This account is one of the best-known illustrations of his title "al-Kazim," the one who restrains anger.
My God, You know that I used to ask You to free my time for Your worship. My God, You have done so — so praise be to You.
Imam Kazim said this prayer during his long years of imprisonment under Harun al-Rashid's order — rather than complaining about prison, he saw it as an opportunity for uninterrupted worship. It shows how he met even the harshest circumstances with composure.
Learn what you don't know, and teach the ignorant what you know.
This line is from "Hadith al-Aql" (the Hadith of Reason) — Imam Kazim's long, well-known counsel to one of his students, Hisham ibn al-Hakam, on the place of reason and knowledge. The hadith is significant enough in Shia tradition that it opens the very first chapter of Al-Kafi, the "Book of Reason and Ignorance."
Whoever has reason is content with what's sufficient for them, and whoever is content with what's sufficient becomes free of need.
This line is another part of the same "Hadith al-Aql" that Imam Kazim gave to Hisham ibn al-Hakam — tying true intelligence not to how much a person has, but to their ability to be content with enough.
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Birth and His Mother, Hamida 745 CE
Imam Musa al-Kazim was born near Medina in 745 CE, the son of Imam Sadiq. His mother, HamidaImam Sadiq's wife and the mother of Imam Musa al-Kazim. She was a freed slave known for her religious knowledge and piety., was a freed slave known for her religious knowledge and piety, and Imam Sadiq had chosen her, for these very qualities, to be the mother of his children.
Witness to a Succession Crisis 762–765 CE
As a teenager, around age seventeen, Imam Kazim witnessed the death of his elder brother, Ismail ibn Ja'far, in 762 CE, and the succession crisis that followed. After his father's death in 765 CE, at around age twenty, he succeeded him as Imam, while a group of followers held that the imamate continued through his brother Ismail ibn Ja'far's line and later formed the Ismaili branch.
Teaching Under Taqiyya 765–c. 790 CE
In the first decades of his imamate (roughly from age twenty to forty-five), Imam Kazim continued the scholarly path of his father and grandfather, but with far greater caution; the Abbasid caliphs, especially under al-Mahdi and al-Hadi, viewed his activities with suspicion. He passed on most of his teachings in small, restricted circles and through taqiyya (prudent concealment), an approach that kept him further from the public prominence of his father's era.
A Well-Known Account of Patience c. 780 CE
A well-known account recorded in classical sources clearly illustrates Imam Kazim's forbearance — he was then around thirty-five: a man cursed him every time he saw him. Rather than react harshly, Imam Kazim went to the man's farm, spoke to him with respect, and gave him a sum of money. The man was so moved that from then on, whenever he saw the Imam, he would pray for his well-being. It was this behavior that fixed the title al-Kazim (the one who suppresses anger) to him.
Harun al-Rashid and the Start of Imprisonment c. 795 CE
With the rise of the Abbasid caliph Harun al-RashidThe fifth Abbasid caliph, who ruled from 786 to 809 CE, at the height of Baghdad's power and prosperity. He grew wary of Imam Musa al-Kazim's popularity and financial network, imprisoned him more than once, and Shia sources also attribute Imam Kazim's death to a poisoning he ordered., tensions reached their peak. Harun al-RashidThe fifth Abbasid caliph, who ruled from 786 to 809 CE, at the height of Baghdad's power and prosperity. He grew wary of Imam Musa al-Kazim's popularity and financial network, imprisoned him more than once, and Shia sources also attribute Imam Kazim's death to a poisoning he ordered. was wary of Imam Kazim's popularity and the khumsone-fifthA religious levy under which Shia Muslims paid a portion of their annual surplus income as a share for the Imam and the needy. The growth of this voluntary financial network around Imam Musa al-Kazim was one reason Harun al-Rashid grew wary of his influence. financial network his followers voluntarily paid into, seeing it as a threat to the caliphate's authority. Around 795 CE, when Imam Kazim was about fifty, Harun al-RashidThe fifth Abbasid caliph, who ruled from 786 to 809 CE, at the height of Baghdad's power and prosperity. He grew wary of Imam Musa al-Kazim's popularity and financial network, imprisoned him more than once, and Shia sources also attribute Imam Kazim's death to a poisoning he ordered. ordered his arrest.
Years in Prison 795–799 CE
Imam Kazim spent the last four years of his life in prison — first in Basra, then in Baghdad, where he was moved between several different prisons. According to the sources, even in prison he continued his worship and limited teaching, and his forbearance was unaffected by the harsh prison conditions.
Death and Succession 799 CE
Imam Kazim died in 799 CE, at around age fifty-four, in one of Baghdad's prisons. Shia sources attribute his death to poisoning ordered by Harun al-RashidThe fifth Abbasid caliph, who ruled from 786 to 809 CE, at the height of Baghdad's power and prosperity. He grew wary of Imam Musa al-Kazim's popularity and financial network, imprisoned him more than once, and Shia sources also attribute Imam Kazim's death to a poisoning he ordered., though, as with the poisonings attributed to earlier Imams, Sunni sources treat this claim with more skepticism. He was buried in Kazimiyyathe quarter of the two KazimsA district in present-day Baghdad, Iraq, where Imam Musa al-Kazim was buried; it later became an important shrine site for Shia Muslims., in present-day Baghdad, Iraq, a site that later became an important shrine for Shia Muslims. His son, Imam Ali al-Reza, succeeded him as the eighth Imam; though a small group of followers, known as the Waqifiyyathose who stoppedA small group of Imam Musa al-Kazim's followers who did not accept his death and held that he remained alive in occultation and would return as the awaited Mahdi; this group rejected the succession of his son, Imam Ali al-Reza, and eventually disappeared over time., did not accept his death and awaited his return as the promised Mahdi — a group that eventually disappeared over time.
Historical Depth
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Open Historical Debates
The account of Imam Kazim's poisoning on Harun al-RashidThe fifth Abbasid caliph, who ruled from 786 to 809 CE, at the height of Baghdad's power and prosperity. He grew wary of Imam Musa al-Kazim's popularity and financial network, imprisoned him more than once, and Shia sources also attribute Imam Kazim's death to a poisoning he ordered.'s order, like the poisonings attributed to earlier Imams, is treated as established fact in Shia sources, but is regarded with more skepticism in Sunni sources and academic scholarship.
A small group of Imam Kazim's followers, known as the Waqifiyyathose who stoppedA small group of Imam Musa al-Kazim's followers who did not accept his death and held that he remained alive in occultation and would return as the awaited Mahdi; this group rejected the succession of his son, Imam Ali al-Reza, and eventually disappeared over time., did not accept his death and held that he remained alive in occultation. This platform follows the Twelver Shia account, which accepted the succession of his son, Imam Ali al-Reza; the Waqifiyyathose who stoppedA small group of Imam Musa al-Kazim's followers who did not accept his death and held that he remained alive in occultation and would return as the awaited Mahdi; this group rejected the succession of his son, Imam Ali al-Reza, and eventually disappeared over time. were a small, short-lived group that eventually disappeared.
The exact details of Imam Kazim's years in prison — the number of prisons, the precise duration in each, and the accuracy of some accounts of harsh treatment — are debated among historians and scholars.
The account of Imam Kazim's poisoning on Harun al-RashidThe fifth Abbasid caliph, who ruled from 786 to 809 CE, at the height of Baghdad's power and prosperity. He grew wary of Imam Musa al-Kazim's popularity and financial network, imprisoned him more than once, and Shia sources also attribute Imam Kazim's death to a poisoning he ordered.'s order, like the poisonings attributed to earlier Imams, is treated as established in Shia sources, but Sunni sources and academic historians look at it with more doubt.
A small group of Imam Kazim's followers, known as the Waqifiyyathose who stoppedA small group of Imam Musa al-Kazim's followers who did not accept his death and held that he remained alive in occultation and would return as the awaited Mahdi; this group rejected the succession of his son, Imam Ali al-Reza, and eventually disappeared over time., did not accept his death and believed he remained alive in occultation. This platform follows the Twelver Shia account, which accepted the succession of his son, Imam Ali al-Reza; the Waqifiyyathose who stoppedA small group of Imam Musa al-Kazim's followers who did not accept his death and held that he remained alive in occultation and would return as the awaited Mahdi; this group rejected the succession of his son, Imam Ali al-Reza, and eventually disappeared over time. were a small, short-lived group that eventually disappeared.
The exact details of Imam Kazim's years in prison -- how many prisons, how long he spent in each, and how accurate some accounts of harsh treatment are -- are debated among historians and scholars.
Sources
S.H.M. Jafri — The Origins and Early Development of Shi'a Islam (Academic research on Imam Kazim's era and the tension with the Abbasid caliphate.)
Shaykh al-Mufid — Kitab al-Irshad (Classical Shia source on the lives of the Imams.)
Muhammad ibn Jarir al-Tabari — Tarikh al-Rusul wa al-Muluk (Classical Islamic historiographical source for events of this period.)
Hugh Kennedy — The Prophet and the Age of the Caliphates (Academic historical research on the Abbasid era.)
Moojan Momen — An Introduction to Shi'i Islam (Academic research on Shia history and branches, including the Waqifiyya.)
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