An Introduction

Shia Islam —
Beliefs & Questions

Roots of faith  ·  Branches of practice  ·  Frequently asked questions

A note on scope This resource focuses on the beliefs and practices of Twelver Shia Islam — the largest and most widely practised branch of Shia Islam — and specifically the Usooli school within it, which is the tradition followed by the vast majority of Shia Muslims worldwide today.

There are also communities who trace their spiritual lineage through the Prophet's household — including the Ismaili, Zaidi, Alawi, and Alevi traditions — whose histories and beliefs are distinct from the Twelver Shia Islam presented on this site. Within Twelver Shia Islam itself, differences also exist, most notably between the Usooli and Akhbari schools of jurisprudence — both of which are acknowledged and explained in the FAQ section.

Where the word "Shia" is used without qualification on this site, it refers to the Twelver Usooli tradition. Our aim is to present this tradition clearly, accurately, and fairly — drawing on its own scholars and sources.

Usool al-Deen — Roots of Religion

The five foundational beliefs These are the core convictions every Shia Muslim must arrive at through personal reason and conviction — they cannot be inherited or accepted by blind imitation (taqlid). Faith is considered complete only when these are understood and embraced sincerely. The order below follows their logical sequence: Tawheed grounds everything; Ma'ad establishes accountability; Adl explains why guidance is necessary; Nubuwwah provides that guidance; and Imamah continues it after the final prophet.
1
Tawheed
Oneness of God
God is absolutely one, without partners, equals, or division. He is the sole creator, sustainer, and ruler of all existence. Tawheed in Shia theology is refined into three dimensions: unity of essence (God's being is indivisible), unity of attributes (God's attributes are not separate from His essence), and unity of acts (all true agency in the universe ultimately belongs to God). This last point is balanced with the Shia affirmation of human free will — a tension resolved through the concept of "neither compulsion nor complete delegation" (la jabra wa la tafweedh).
2
Ma'ad
The Hereafter
Ma'ad — the Return — is the belief that all human beings will be resurrected after death and brought before God for a final and complete reckoning. It is listed second because it flows directly from Tawhid: a just and all-wise God would not create humanity without purpose or accountability. As the Quran states, "Did you suppose that We created you aimlessly, and that you will not be brought back to Us?" (23:115). Ma'ad is a broader concept than Qiyamah (the Day of Judgement) alone — it encompasses the intermediate realm (Barzakh) that the soul enters after death, the resurrection, the reckoning, and the eternal life that follows. Every soul's deeds will be fully accounted for, and Shia theology teaches that intercession (shafa'ah) by the Prophet and the Imams is possible on that day, by God's permission, as an expression of divine mercy.
3
Adl
Divine Justice
God is perfectly just and does not act oppressively or arbitrarily. Shia theology lists Adl as a separate root of religion because it grounds the emphasis on rational ethics — the human mind can independently recognize good and evil (husn and qubh), and this is what makes moral accountability meaningful. This contrasts with those who hold that good and evil can only be determined by divine decree; Shia scholars maintain that divine justice is rationally knowable. Adl manifests in three realms: in creation (God gives every creature what it needs), in legislation (God guides humanity through prophets and never burdens anyone beyond their capacity), and in recompense (God does not treat the righteous and the wrongdoer equally — justice deferred to the next life is still justice). Adl is also the theological foundation for both Nubuwwah and Imamah: a just God would not leave humanity without clear guidance and then hold them accountable.
4
Nubuwwah
Prophethood
God has sent prophets throughout history to guide humanity, beginning with Adam and culminating with the Prophet Muhammad, the final prophet (Khatam al-Nabiyyin). Tradition holds there were 124,000 prophets in total, including Noah, Abraham, Moses, and Jesus. Prophets are necessary because divine justice demands that human beings receive clear guidance before being held accountable — "We do not punish any community until We have sent it an apostle" (Quran 17:15). In Shia belief, prophets are infallible (masoom) — they do not sin or err in matters of religious conveyance. The Quran, as the final divine revelation, is preserved and complete. It is through the Ahl al-Bayt that the authentic Sunnah is preserved and transmitted — as the Prophet declared in the Hadith al-Thaqalayn (Hadith of the Two Weighty Things): "I am leaving among you the two weighty things: the Book of God and my progeny, the members of my household. If you hold fast to them, you will not go astray."
5
Imamah
Divine Leadership
After the Prophet Muhammad, divine guidance did not cease. Shia Muslims believe God appointed a line of twelve Imams from the Prophet's household (Ahl al-Bayt), beginning with Imam Ali ibn Abi Talib, to continue leading the community in religious, moral, and political matters. Just as prophethood stems from divine justice — because people need guidance — so too does Imamah. The Prophet explicitly designated Ali as his successor at Ghadir Khumm (the event known as Hadith al-Ghadir), confirmed further by the Hadith al-Thaqalayn. The selection of Imams is God's prerogative alone — not a matter for community vote or consultation, just as the appointment of prophets is not decided by popular consensus. Like the prophets, the Imams are considered infallible — protected from sin and error in their religious role. Imamah is the most distinctively Shia belief. The Imams are not prophets — revelation ended with the Prophet Muhammad — but they possess special knowledge of the religion's inner and outer meanings and serve as its authoritative interpreters.

Furoo al-Deen — Branches of Religion

The ten practical obligations These are the branches that grow from the roots above — the framework of daily Shia practice. Unlike the Usool, these may be followed through the guidance of a qualified scholar (marja) via taqlid (emulation).
1
Salah
Prayer
The five daily prayers are obligatory upon every adult Muslim. While Shia jurisprudence permits combining prayers into three time-windows — morning (Fajr alone), midday and afternoon together (Dhuhr and Asr), and evening and night together (Maghrib and Isha) — it is considered preferable in Shia fiqh to pray each of the five prayers at its own designated time. Combining has become common in practice but does not reflect the ideal. Prayers are performed facing Mecca, preceded by ritual purity (wudhu), and include prostration on natural earth or a turbah (prayer tablet). Prayer is the cornerstone of Shia devotional life and the most repeated act of worship.
2
Sawm
Fasting
Fasting during the holy month of Ramadan is obligatory. It involves abstaining from food, drink, and other specified acts from the break of dawn until sunset. Beyond Ramadan, Shia Muslims may observe recommended fasts on specific dates, including the 13th, 14th, and 15th of each lunar month, and on significant days such as Eid al-Ghadir. Fasting is understood as an act of spiritual discipline, gratitude, and empathy with those who go without.
3
Khums
One-Fifth Tax
Khums is a religious tax of 20% (one-fifth) levied on annual surplus income — that which remains after a person's reasonable needs and expenses for the year. It is divided into two portions: one for the descendants of the Prophet (Sadat) in need, and one for the Imam — which, during the occultation, goes to the Marja to fund religious seminaries, scholarship, and charitable works. Khums is one of the most practical expressions of the Shia system of religious authority and community support.
4
Zakat
Alms-Giving
Zakat is an obligatory annual charity on specific categories of wealth — most commonly livestock, grain, gold, and silver — that meet or exceed a minimum threshold (nisab). It is distributed to eight categories of recipients outlined in the Quran, including the poor, those in debt, and travelers in need. While Khums covers surplus income, Zakat covers accumulated qualifying assets. Readers seeking to act on this obligation are encouraged to consult a qualified Shia scholar or their Marja's risalah amaliyyah, as rulings on nisab thresholds and applicable wealth categories can vary.
5
Hajj
Pilgrimage to Mecca
Hajj is obligatory once in a lifetime for any Muslim who has the physical and financial means. It takes place in the month of Dhul Hijjah and involves a series of rites at Mecca and the surrounding sites, including Arafat, Muzdalifah, and Mina. In Shia practice, many pilgrims also visit the gravesites of the Prophet and the Imams in Medina, though this is a separate act of devotion (ziyarah) rather than part of the Hajj itself.
6
Jihad
Striving
Jihad literally means "striving" or "effort." In Shia jurisprudence it encompasses both the inner struggle against one's lower self (jihad al-nafs — considered the greater jihad by many scholars) and, in specific circumstances, armed defence of the community. During the occultation of the Twelfth Imam, most Shia scholars hold that offensive armed jihad requires the explicit permission of the Imam or his qualified representative. Striving for justice, knowledge, and moral improvement are all understood as forms of jihad.
7
Amr bil Maroof
Enjoining Good
Muslims are obligated to encourage good and virtue in society — not merely to practice it privately. This can range from gentle advice and moral example to, in certain circumstances, more direct action. Shia jurisprudence carefully defines the conditions and limits of this duty, with the general principle that it must be done wisely, without creating greater harm, and according to one's capacity and knowledge.
8
Nahy anil Munkar
Forbidding Evil
The counterpart to enjoining good, this obligation calls Muslims to discourage and, where possible and appropriate, prevent wrongdoing. It is subject to conditions: the person must know the act is wrong, believe their intervention will have effect, and ensure it does not cause greater harm. Together, these two obligations express the Shia view that faith is not purely private — believers have a responsibility toward the moral health of their community.
9
Tawalla
Love for the Sake of Allah
Tawalla is the obligation of love, loyalty, and affiliation toward the Prophet Muhammad, Fatimah al-Zahra, and the twelve Imams — collectively known as the Ahl al-Bayt — and toward all those who are beloved to God. This love is not merely sentimental; it involves following their example, upholding their teachings, and aligning one's life with their values. The Quran itself references the duty of love toward the Prophet's near family (42:23), and Shia scholars understand this as an extension of love for God Himself: to love what God loves, and to align one's heart with the highest human embodiments of divine guidance.
10
Tabarra
Disavowal of the Enemies of God
Tabarra is the declaration of distance from those who actively opposed God, the Prophet, and the Ahl al-Bayt. In practice among contemporary Shia communities, it is more commonly understood as a spiritual and theological position — affirming that one stands with truth and against injustice — rather than an expression of hatred toward individuals. Scholars vary in how they understand its public expression, with many emphasizing that wisdom and context must guide how and when it is manifested.
Identity & Origins 5 questions
How did Shia Islam begin?+

Shia Islam is rooted in a question that goes beyond mere belief — it is grounded in historical evidence about the rightful succession after the Prophet Muhammad's death in 632 CE. Shia Muslims hold that God chose Imam Ali ibn Abi Talib as the rightful leader after the Prophet, and that the Prophet made this designation explicit and public at Ghadir al-Khumm on his return from the Farewell Pilgrimage. This is not simply the opinion of a group of companions — it is a position grounded in historical narration accepted across many Islamic sources. Where Shia and Sunni Muslims diverge is in how they interpret the events that followed: that leadership passed to others, bypassing Imam Ali. The pivotal tragedy at Karbala in 680 CE, where Imam Husayn was martyred while standing against unjust rule, deepened and defined Shia identity in ways that continue to shape the tradition to this day.

What does "Shia" mean?+

"Shia" is short for "Shiat Ali," meaning "the partisans" or "followers of Ali." But being a Shia is not merely a matter of affiliation — it comes with responsibilities. Imam Ali himself is reported to have defined a true Shia as one whose actions reflect their allegiance: someone who guards their tongue, purifies their heart, fulfills their duties, and embodies the values of the Ahl al-Bayt in their daily life. The title is not inherited but earned through conduct. Over time, this tradition of principled followership developed into a rich and distinct theological and legal heritage with its own schools of thought and scholarly tradition.

How many Shia Muslims are there?+

Shia Muslims make up roughly 10–15% of the global Muslim population, estimated at around 200 million people worldwide. While they are a minority globally, they form the majority in several countries including Iran, Iraq, Bahrain, and Azerbaijan, and represent significant communities in Lebanon, Pakistan, India, and Kuwait.

Where do most Shia Muslims live?+

The largest concentrations of Shia Muslims are in Iran (roughly 90–95% of the population), Iraq (60–65%), and Azerbaijan. Significant Shia populations also exist in Lebanon, Pakistan, India, Saudi Arabia's Eastern Province, and among diaspora communities in North America, Europe, and Africa.

What are the main branches of Shia Islam beyond Twelver?+

While Twelver Shia Islam is by far the largest branch — comprising the vast majority of Shia Muslims worldwide — several other traditions emerged historically, differing primarily on the question of which Imam's line of succession to follow. The Ismaili tradition (also known as Sevener Shia) follows a line diverging at the sixth Imam, recognising Ismail ibn Jafar rather than Musa al-Kadhim as the seventh Imam. Ismailis today are led by the Aga Khan and are a globally active community. The Zaidi tradition (also known as Fiver Shia) is prominent in Yemen and holds a more moderate theological position, accepting a qualified human leader rather than requiring divine designation. The Alawi and Alevi traditions, found primarily in Syria and Turkey respectively, incorporate distinct theological and cultural elements that diverge significantly from mainstream Twelver practice. All of these traditions trace their roots to the Prophet's household (Ahl al-Bayt) and honour Imam Ali, though their beliefs and practices vary considerably from one another and from Twelver Shia Islam.

Prayer & Worship 4 questions
Why do Shia Muslims combine prayers into 3 times?+

The five daily prayers can be offered by Shia Muslims either at five separate times or combined into three time-windows: morning (Fajr alone), midday and afternoon together (Dhuhr and Asr), and evening and night together (Maghrib and Isha). Both approaches are permitted in Shia jurisprudence, based on narrations in which the Prophet himself combined prayers on various occasions — a practice documented not only in Shia sources but in prominent Sunni hadith collections as well. Interestingly, when the companion Ibn Abbas was asked why the Prophet combined prayers, he replied that the Prophet did so "so that his nation would not face hardship" — suggesting the intent was ease without abandonment of the prayer. Shia jurisprudence permits combining but considers praying each prayer at its own designated time to be preferable.

What is the turbah (prayer stone)?+

The turbah is a small tablet — most commonly made from dried clay — upon which Shia Muslims place their forehead during prostration (sujood). This is based on a narration from the Prophet that prayer is only valid when prostration is made on earth or on what grows from it. Valid surfaces for sajdah include: earth and soil, sand, stone, and plant-derived materials that are not eaten or worn — such as straw, paper, or certain wood. Karbala clay holds special spiritual significance due to Imam Husayn's martyrdom there and is the most widely used material for the turbah, though not the only permissible one. Metals, minerals, food products, cotton, wool, and synthetic materials are generally not valid surfaces for prostration.

How does the Shia adhan differ?+

The Shia call to prayer (adhan) includes the phrase "Hayya ala khayr al-amal" (Hasten to the best of deeds), which is omitted in most Sunni versions. As for the phrase "Ashhadu anna Aliyyan waliyyullah" (I bear witness that Ali is the friend of God), Shia scholars agree that it is not part of the original adhan and is therefore not obligatory. The majority position permits its recitation after the standard phrases as a recommended expression of faith and love for Imam Ali — but only on the condition that it is not treated as part of the adhan itself. Reciting it as though it were an obligatory component would render the adhan invalid according to this scholarly consensus.

What is Dua Kumayl?+

Dua Kumayl is one of the most beloved supplications in Shia tradition, attributed to Imam Ali and taught to his companion Kumayl ibn Ziyad. It is a lengthy, deeply moving prayer of repentance, seeking God's mercy and forgiveness, and is customarily recited on Thursday nights. Its themes of human frailty, divine compassion, and spiritual longing have made it central to Shia devotional life across centuries.

Imams & Leadership 5 questions
Who are the twelve Imams?+

Twelver Shia Islam — the largest branch — recognizes a lineage of twelve divinely guided leaders beginning with Imam Ali and ending with Imam Muhammad al-Mahdi, who is believed to be in occultation. Each Imam was from the Ahl al-Bayt (the Prophet's household) and is considered infallible (masoom), possessing special knowledge and authority to guide the Muslim community in both religious and worldly matters.

What happened at Karbala?+

On the 10th of Muharram 680 CE (known as Ashura), Imam Husayn ibn Ali — the grandson of the Prophet Muhammad — was killed along with approximately 72 companions by the vastly larger forces of the Umayyad caliph Yazid near Karbala in modern-day Iraq. Imam Husayn had been called upon by the people of Kufa to lead them, and set out with his family and a small group of loyal companions. When support failed to materialise and it became clear that the only alternative was surrender to Yazid's authority — which he saw as corrupt and a betrayal of Islam — he refused. He chose martyrdom over the legitimisation of unjust rule. For Shia Muslims, Karbala is far more than a historical tragedy. It is a moral and spiritual reference point that speaks to every generation: a declaration that principles must not be compromised even at the cost of one's life, family, and everything held dear. The grief of Karbala is kept alive through the annual commemorations of Ashura and Arbaeen — not as passive mourning, but as a continuous renewal of commitment to justice and truth.

Who is the hidden (Twelfth) Imam?+

Imam Muhammad al-Mahdi, the twelfth Imam, is believed to have gone into occultation (ghaybah) in 874 CE — first a minor occultation (during which communication occurred through four designated representatives), then a major occultation in which direct contact ceased. Shia Muslims believe he is alive and under divine protection, and will return at the end of times alongside Prophet Isa (Jesus) to establish global justice and equity. Central to this belief is the concept of Ismah — the Imam is divinely protected from sin, error, and forgetfulness in all matters of religion and leadership. During the major occultation, the Shia community is guided by the principle of Wilayat al-Faqih — the guardianship of the qualified jurist — in the absence of the Imam. Awaiting the Imam — intidhar — is itself considered an act of worship in Shia theology. It is not passive waiting but an active spiritual and moral state: striving to embody the values of the Imam, working toward justice in one's community, and maintaining readiness — spiritually, morally, and practically — for his reappearance.

What is Wilayat al-Faqih?+

Wilayat al-Faqih — the guardianship of the jurist — is the principle that during the occultation of the Twelfth Imam, a qualified senior scholar (faqih) assumes a degree of his leadership role over the community. The concept has both a narrow and a broad interpretation. In its narrow form, it means that a qualified scholar has authority over religious rulings, the administration of religious endowments, the care of orphans and those without guardians, and similar matters. In its broad form, most fully developed by Ayatollah Khomeini and implemented in the Islamic Republic of Iran, it extends to comprehensive political governance of the Muslim community. The scope of the jurist's authority during the occultation remains a living question within Shia scholarly tradition.

Do Shia Muslims worship the Imams?+

No. Shia Muslims do not worship the Imams, and doing so would be considered shirk (associating partners with God), which is the gravest sin in Islam. The Imams are venerated as spiritually elevated, infallible guides and intercessors — but they are human beings, not divine. The love (walayah) of the Ahl al-Bayt is considered a religious duty, but it is distinct from worship, which belongs to God alone.

Shia & Sunni Islam 9 questions
What are the core theological differences?+

The central difference is the question of legitimate leadership after the Prophet. Shia Muslims believe this was divinely designated to Ali and his descendants, giving Imamah (leadership) a theological — not merely political — dimension. Shia theology also places greater emphasis on the role of reason (aql) in religious matters, the infallibility of Imams, and the concept of intercession through the Ahl al-Bayt.

What is the Shia view on the early caliphs?+

Shia Muslims believe that the caliphates of Abu Bakr, Umar, and Uthman — while acknowledged as historical facts — represented a deviation from what the Prophet had designated at Ghadir Khumm, where he declared Ali as his successor. The Quran verse sometimes cited to justify consultation-based governance (42:38 — "their affairs are by counsel among themselves") applies to everyday human affairs, not to divine succession, which belongs solely to God's authority. This doesn't necessarily mean Shia Muslims condemn these figures in their personal lives, but the theological position is that the rightful leadership was bypassed, with significant consequences for Islamic history.

What is the Shia view on the companions of the Prophet?+

Shia Muslims hold a nuanced view on the Sahaba (companions of the Prophet). Rather than treating them as a uniformly infallible group, each companion is evaluated individually based on their conduct and loyalty — particularly in relation to the Prophet's family and his explicit designations. Those who stood faithfully by the Ahl al-Bayt — such as Salman al-Farsi, Abu Dharr al-Ghifari, Miqdad ibn al-Aswad, and Ammar ibn Yasir — are held in the highest esteem. Others are respected for their service to Islam while specific actions or decisions may be critiqued on historical and theological grounds. This approach reflects the Shia emphasis on reason and evidence: proximity to the Prophet is honoured, but it does not confer blanket infallibility. The criterion is adherence to his message and his designated successors.

What is the Shia view on the wives of the Prophet?+

On the question of the Prophet's wives, the Shia position begins with the Quran, which honours them with the title Ummahat al-Muminin — Mothers of the Believers (33:6) — a designation fully acknowledged within Shia Islam, and one that makes insulting them forbidden, as affirmed by senior maraji including Ayatollah Khamenei. That said, Shia scholarship does not exempt the historical conduct of the Prophet's wives from critical evaluation, particularly regarding events that unfolded after his passing. The distinction is consistent: the Quranic honour is upheld, historical critique remains within the bounds of scholarship, and abusive language is unanimously forbidden.

Are Shia hadith collections different?+

Yes. While both Shia and Sunni Muslims accept the Quran, their hadith traditions differ significantly — not only in their collections but in their underlying methodology. Shia hadith scholarship has no equivalent to the Sunni concept of "Sahih" collections, where a curated corpus is considered collectively authoritative. Instead, each hadith is evaluated individually by scholars, who assess the reliability of its chain of transmission (isnad) and its content before it can be accepted or acted upon. This ongoing, case-by-case deliberation is a defining feature of Shia hadith sciences. The primary Shia collections — Al-Kafi, Man La Yahduruhu al-Faqih, and Tahdhib al-Ahkam — prioritize narrations transmitted through the Ahl al-Bayt and the Imams, in keeping with the Prophet's directive in the Hadith al-Thaqalayn. A notable point of divergence: one version of that very hadith in some Sunni sources reads "the Book of God and my sunnah" rather than "the Book of God and my progeny." Shia scholars — and many others — note that the "sunnah" version did not appear until after the second century AH and regard it as a later interpolation, while the "progeny" version is narrated by dozens of companions across both traditions.

What is a Marja?+

A Marja (plural: maraji) is a senior Shia scholar of the highest religious rank, qualified to issue independent legal rulings (ijtihad) and be followed by other believers in matters of religious practice. During the occultation of the Twelfth Imam, maraji serve as the primary religious authorities. Shia Muslims typically choose one living Marja to follow in their religious practice, paying a religious tax (khums) partially to support his work and the seminaries he oversees.

What is the difference between Usooli and Akhbari Shia?+

Within Twelver Shia Islam, the Usooli and Akhbari schools represent two distinct approaches to how religious rulings are derived. The core difference lies in the sources of jurisprudence each tradition recognises. The Usooli school — the dominant tradition, followed by the vast majority of Shia Muslims today — derives rulings from four sources: the Quran, authenticated Sunnah (the practice and sayings of the Prophet and the Imams), Aql (reason), and Ijma (scholarly consensus). The inclusion of Aql as an independent source is a defining feature of the Usooli approach: the intellect is considered a valid means of arriving at religious knowledge, and rational demonstration can confirm or support what scripture establishes. Ijma, the consensus of qualified scholars, is similarly recognised as carrying authoritative weight when it reflects a reliable transmission of the Imam's position. The Akhbari school, a minority tradition with historical roots in the 17th century, restricts its sources to the Quran and the narrations (akhbar) of the Prophet and the Imams — rejecting independent rational reasoning and scholarly consensus as standalone sources. For Akhbaris, rulings must be traced directly to textual narrations without the additional layer of ijtihad. The Akhbari tradition is a small minority today, found mainly in parts of Bahrain and southern Iraq. The content on this site reflects the Usooli position.

Do Shia Muslims believe the Quran is incomplete or has been altered?+

No — and this is one of the most persistent misconceptions about Shia Islam. The unanimous position of all major Shia scholars, from the earliest classical authorities to the present day, is that the Quran in circulation today is the complete, unaltered word of God. Shaykh al-Saduq (d. 991 CE) wrote: "Our belief is that the Quran which Allah revealed to His Prophet is the same as the one between the two covers. It is in the hands of the people, and is not greater in extent than that." [Kitabu'l-I'tiqadat, p. 63] Grand Ayatollah al-Khoei likewise affirmed this and clarified that Imam Ali's codex was a scholarly exegesis with commentary — not a variant Quran. The Quranic basis is clear: "Indeed, it is We who sent down the Reminder and We will be its guardian." (15:9). A small number of weak narrations in classical collections are sometimes cited to suggest otherwise; mainstream Shia scholarship consistently rules these as either weak, misunderstood, or referring to distortion of meaning through misinterpretation — not distortion of the text itself. As Shaykh Faiz Kashani wrote: "If the Quran is considered altered, then nothing in the Quran remains reliable." [Tafsir al-Safi, vol. 1, p. 23]

What do senior Shia scholars say about cursing figures revered by Sunnis?+

The consensus among the most senior Shia maraji is unambiguous: cursing or abusing figures revered by Sunni Muslims is forbidden (haram) and contrary to the teachings of the Ahl al-Bayt. Grand Ayatollah Sistani issued a fatwa stating this is "condemned and denounced, and is contrary to the instructions of the Shia Imams." Ayatollah Khamenei issued a formal fatwa on 30 September 2010 prohibiting insults against any of the Prophet's companions or wives, stating: "Anyone who insults any of the Prophet's wives has insulted the Prophet." The fatwa was praised by Sheikh Ahmed el-Tayeb, the Grand Imam of Al-Azhar. Ayatollah Khomeini established Islamic Unity Week in 1979 and stated: "We are one with Sunni Muslims. We are a unit, like a Muslim and his brother. Whoever wants to cause strife is either ignorant or malicious." Other senior maraji — including Ayatollah Javadi Amoli, Makarem Shirazi, and Mousavi Ardebili — have issued parallel positions. An important nuance: scholars distinguish between theological and historical critique of events (which remains within scholarship) and abusive verbal attack (sabb), which they unanimously forbid.

What is the Shia scholarly view on Sunni Muslims as fellow Muslims?+

The position of the senior Shia maraji is clear: Sunni Muslims are fellow Muslims whose lives, property, and honour are inviolable — they are not considered kafir (unbelievers). Grand Ayatollah Sistani's office has explicitly and publicly refuted claims that he considers Sunnis who do not believe in the Imamate to be kafir. His fatwa states: "From the viewpoint of the Shia, the Ahl al-Sunnah are counted as Muslims, and all of the laws of Islam apply to them. Marrying them is permissible. They can inherit from Shia, and Shia can inherit from them. The lives, property, and honour of all of them are inviolable." He has also said: "Shia should defend the social and political rights of the Ahl al-Sunnah before they defend their own rights — you should not say 'Sunnis are our brothers'; rather say 'Sunnis are our life'." Ayatollah Khomeini stated: "Muslims, whether Sunni or Shia, are brothers and therefore equals." This position is also rooted in the practice of the Imams themselves, who instructed followers to pray with, attend the funerals of, and be exemplary neighbours to Sunni Muslims in their communities.

Rituals & Observances 4 questions
What is Ashura?+

Ashura falls on the 10th of Muharram — the first month of the Islamic calendar — and commemorates the martyrdom of Imam Husayn at Karbala. It is the most solemn day in the Shia calendar, marked by mourning gatherings (majalis), processions, the recitation of elegies, and acts of charity. Far from mere ritual, Ashura carries a message of standing against oppression and injustice that remains deeply relevant to Shia communities worldwide.

What is Arbaeen?+

Arbaeen (meaning "forty") falls forty days after Ashura and marks the end of the mourning period for Imam Husayn. It is observed by one of the largest annual human gatherings on earth: millions of pilgrims — many walking for days — converge on Karbala in Iraq to visit Imam Husayn's shrine. The walk has become a powerful symbol of devotion, solidarity, and the enduring resonance of the Karbala tragedy.

Why do Shia Muslims visit shrines?+

Visiting the shrines (ziyarah) of the Prophet, the Imams, and other revered figures is a deeply embedded practice in Shia Islam. It is understood as a way to honor those who dedicated their lives to God, to seek their intercession, and to spiritually connect with the best examples of humanity. The practice is grounded in narrations from the Prophet encouraging the visiting of graves, and is seen as an act of love and remembrance rather than worship of the buried.

What is Muta (temporary marriage)?+

Muta, or nikah al-mutah, is a form of marriage contract in Shia jurisprudence agreed upon for a specified period of time with a specified dowry. It is considered valid under Shia law based on a Quranic verse (4:24) and narrations from the Prophet. Sunni scholars consider it to have been abrogated. Among Shia scholars, conditions and rulings around Muta vary, and its use is a matter of ongoing scholarly discussion and societal debate within Shia communities.

Beliefs & Afterlife 4 questions
What is intercession (shafa'ah)?+

Shafa'ah refers to the intercession of the Prophet, the Imams, and other holy figures on behalf of believers before God on the Day of Judgement. Shia theology holds that God may grant these individuals the right to intercede for others as an expression of His mercy. This is distinct from worship — the intercessors themselves have no independent power; they act only with God's permission. The concept is also present in Sunni Islam, though the scope differs.

What is Barzakh?+

Barzakh refers to the intermediate realm that the soul enters between physical death and the resurrection on the Day of Judgement. In Shia belief, the soul remains conscious in Barzakh and may experience a foretaste of either reward or punishment based on one's deeds. It is sometimes understood as a kind of purgatory, though the Quranic and hadith descriptions leave much of its nature beyond complete human comprehension.

What happens when the Mahdi returns?+

Shia Muslims believe that Imam Mahdi will emerge from occultation at the end of times, accompanied by the return of Prophet Isa (Jesus), to restore justice and equity to a world filled with oppression and corruption. His return will be preceded by specific signs. The exact timing is known only to God. Rather than passively waiting, Shia theology encourages believers to remain spiritually prepared and to strive for justice in the world in the meantime.

What is Tawassul?+

Tawassul is the practice of seeking nearness to God through a means (wasila) — most commonly through the Prophet, the Imams, or other pious individuals. In Shia practice, this may take the form of asking these figures to pray to God on one's behalf, or invoking them as a spiritual intermediary. It is grounded in a Quranic verse (5:35) urging believers to seek a means of approach to God. Shia scholars distinguish Tawassul clearly from worship, as all requests ultimately go to and are fulfilled by God alone.

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R1 — Primary Source
The Holy Quran
Verses cited in this document: 23:115 (Ma'ad — purposeful creation), 17:15 (divine guidance before accountability), 42:23 (love of the Ahl al-Bayt), 42:38 (consultation in human — not divine — affairs), 4:24 (Muta), 5:35 (Tawassul).
R2 — Primary Source
Hadith al-Thaqalayn
The Prophet's declaration: "I am leaving among you the two weighty things: the Book of God and my progeny, the members of my household. If you hold fast to them, you will not go astray." Narrated by dozens of companions; recorded in Sahih Muslim (Book 44, Hadith 2408), Sunan al-Tirmidhi, Musnad Ahmad ibn Hanbal, and primary Shia collections.
R3 — Primary Source
Hadith al-Ghadir
The Prophet's designation of Imam Ali at Ghadir Khumm on 18th Dhul-Hijjah, 10 AH: "Whoever considers me their master (mawla), Ali is also their master." Recorded in Sunan al-Tirmidhi (Vol. 6, Hadith 3713), Musnad Ahmad, and Mustadrak al-Hakim.
R4 — Primary Source
Ibn Abbas narration on combining prayers
Ibn Abbas reported that the Prophet combined Dhuhr with Asr and Maghrib with Isha without any excuse of fear or rain. When asked why, he replied: "He did not want to put his nation to hardship." Recorded in Sahih Muslim (Book 4, Hadith 1516).
R5 — Classical Text
Al-Kafi — Shaykh al-Kulayni (d. 329 AH / 941 CE)
The largest and most referenced Shia hadith collection in eight volumes, covering theology (Usool), jurisprudence (Furoo), and related topics. Not considered entirely sahih — scholars evaluate individual narrations independently.
al-islam.org →
R6 — Published Work (primary reference for this document)
Shia Muslims: Our Identity, Our Vision, and the Way Forward
Sayyid M.B. Kashmiri — I.M.A.M., 2nd Edition, 2018
The main source used to fact-check this document. Provided the ordering of Usool al-Deen, the three realms of Adl, and the textual analysis of the Thaqalayn hadith variants. Free online at imam-us.org.
imam-us.org →
R8 — Scholar Position
Ayatollah Khamenei's Fatwa against Insulting Revered Sunni Figures
Issued 30 September 2010 — english.khamenei.ir
A formal fatwa prohibiting Shia Muslims from insulting any of the Prophet's companions or wives. Received widespread praise across the Muslim world, including from Sheikh Ahmed el-Tayeb, Grand Imam of Al-Azhar. Shared by Sistani, Bahjat, Makarem Shirazi, Mousavi Ardebili, and Shubairi Zanjani.
english.khamenei.ir →
R9 — Scholar Position
Sayyid Sistani's Fatwa on the Companions of the Prophet
Grand Ayatollah Ali al-Sistani — imam-us.org
Sistani's fatwa condemning the abuse of Sunni sanctities as "contrary to the instructions of the Shia Imams," and his broader position that Sunni Muslims are full Muslims whose lives, property, and honour are inviolable. Includes his statement to the First Congress of Shi'i and Sunni Ulama (2007): "Sunnis are our life."
imam-us.org →
R10 — Classical Shia Scholarship
On the Completeness of the Quran — Classical and Modern Authorities
The unanimous Shia scholarly position that the Quran is complete and unaltered. Key sources: Shaykh al-Saduq, Kitabu'l-I'tiqadat (d. 991 CE), p. 63; Sharif al-Murtada, Bahru'l-Fawa'id (d. 1044), p. 69; Shaykh al-Tusi, Tafsir al-Tibyan (d. 1067), vol. 1, p. 3; Faiz Kashani, Tafsir al-Safi, vol. 1, pp. 23–34; al-Khoei, Al-Bayan fi Tafsir al-Quran; Mudhaffar, The Beliefs of Shi'ite School, pp. 50–51. A comprehensive overview is available at al-islam.org.
Read at al-islam.org →
R11 — Scholar Position
Imam Khomeini on Islamic Unity and Shia-Sunni Relations
Collected statements — al-islam.org
Khomeini's statements affirming that Shia and Sunni Muslims are brothers and equals, his establishment of Islamic Unity Week in 1979, and his warning that those who sow discord are "either ignorant or agents of the enemies of Islam." Includes his position in the al-islam.org compilation "Prohibiting Takfir: Fatwas of Shi'i Scholars."
Read at al-islam.org →
Start here
Al-Islam.org
Ahlul Bayt Digital Islamic Library Project
The largest free English-language Shia digital library online — over 4,000 texts, lectures, and multimedia resources organized by topic: theology, history, jurisprudence, Quran, supplications, and more. A non-profit run by volunteers worldwide.
al-islam.org →
Start here
Peshawar Nights
Sultan al-Wa'izin Shirazi — 1927, English translation free online
A transcript of ten nights of structured dialogue between Shia and Sunni scholars in Peshawar, 1927. By agreement, only Sunni sources were cited. Covers Imamah, Ghadir Khumm, companions of the Prophet, prayer differences, and Muta. Accessible for readers who prefer a debate format.
Read free at al-islam.org →
Theological depth
Shia Islam
Allamah Sayyid Muhammad Husayn Tabataba'i (tr. Seyyed Hossein Nasr)
Written by one of the 20th century's foremost Shia philosophers. Covers the theological roots, Imamah, and the spiritual dimensions of Shia Islam with precision and depth. A foundational text for anyone serious about understanding Shia theology from within.
Read free at al-islam.org →
Theological depth
Al-Muraja'at (The Right Path)
Sharaf al-Din al-Musawi — correspondence with the Rector of Al-Azhar, 1911
A structured exchange of letters between a senior Shia scholar and the head of Al-Azhar University in Cairo. Systematic treatment of Imamah, the Thaqalayn hadith, early Islamic history, and Shia-Sunni differences. A landmark of inter-Muslim scholarly dialogue.
Read free at al-islam.org →
Theological depth
Fundamentals of Islamic Thought
Murtadha Mutahhari
By one of the most widely read Shia scholars of modern times. Covers theology, free will, the relationship between reason and religion, and the nature of prophethood. Accessible without being superficial.
Read free at al-islam.org →
History
Kitab al-Irshad (The Book of Guidance)
Shaykh al-Mufid (d. 413 AH / 1022 CE)
A classical source on the lives of the twelve Imams. Detailed biographical and historical accounts from a traditional Shia scholarly perspective. English translation available.
Read free at al-islam.org →
Spirituality & practice
Al-Sahifat al-Sajjadiyya (The Psalms of Islam)
Imam Ali ibn al-Husayn (Zayn al-Abidin), the Fourth Imam — tr. William Chittick
A collection of supplications from the Fourth Imam, considered one of the most important texts of Islamic spirituality alongside the Quran and Nahj al-Balagha. Profound for anyone interested in the inner dimensions of Islamic prayer, theology, and the human relationship with God.
Read free at al-islam.org →
Spirituality & practice
Nahj al-Balagha (Peak of Eloquence)
Sermons and letters of Imam Ali — compiled by Sharif al-Radi
Imam Ali's sermons, letters, and sayings. A foundational text of Islamic ethics, theology, and governance. Widely read by both Shia and Sunni Muslims. Multiple English translations available.
Read free at al-islam.org →
Online learning
Kawthar Learning Circle
Sheikh Mohammad Ali Shomali — Hawza Ilmiyya of England
A two-year online study program offering courses in ethics, Quranic studies, theology, jurisprudence, and philosophy. Completion leads to certification from the Hawza Ilmiyya of England.
kawthar.ac.uk →
Online learning
Academy for Learning Islam (ALI)
Toronto, Canada
Offers in-person and online courses on theology, spirituality, history, and health from a Shia perspective. Accessible for students at all levels.
academyofislam.com →
Academic journals
Journal of Shi'a Islamic Studies
Islamic College, London — peer-reviewed quarterly
Covers theology, philosophy, mysticism, law, history, Quran, and hadith studies. For researchers and advanced students seeking peer-reviewed scholarship on Shia Islam.
Academic journals
Message of Thaqalayn
A quarterly journal covering dialogue, history, Shia personalities, Islamic law, Quran and hadith studies, and contemporary issues from the perspective of the School of the Ahl al-Bayt. Not affiliated with any single organization.
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