The Short Answer
Bid'a (بدعة) literally means "innovation" or "something new." In Islamic law, the vast majority of classical scholars — including Imam al-Nawawi, al-Izz ibn Abd al-Salam, Imam al-Shafi'i, and Ibn Hajar al-Asqalani — divide bid'a into categories ranging from obligatory to prohibited, following the same five-fold classification used for all actions in Islamic law.
The claim that "every single innovation is forbidden" is a misreading of one hadith in Sahih Muslim, contradicted by how the hadith's own commentators explain it, by other hadiths, by the practice of the Companions, and by fourteen centuries of scholarly consensus.
The Hadith Everyone Cites
كُلُّ بِدْعَةٍ ضَلَالَةٌ
“Every innovation is misguidance.”
This hadith is authentic and undisputed. The question is not whether it is real — it is how to understand the word "every" (kull).
In Arabic juristic methodology, general statements ('amm) are routinely qualified by specific evidence (khass). The Quran itself says "Destroying everything by the command of its Lord" (46:25) about a wind — but it did not literally destroy everything in existence. General statements in Arabic require context.
The scholars who compiled, transmitted, and commented on this hadith explain exactly how the general term "every" is qualified.
How the Great Commentators Explain This Hadith
Imam al-Nawawi (d. 676 AH) — Commentator on Sahih Muslim
“This is a general statement that is particularized (hadha 'amm makhsus). What is meant is the majority of innovations. The linguists say: bid'a is anything done without a prior model. Scholars say it is five types: obligatory, recommended, permissible, disliked, and prohibited.”
This is not an obscure opinion from a marginal figure. This is the primary commentary on Sahih Muslim — the very book that contains the hadith. Al-Nawawi explicitly states that "every" does not mean "every without exception" — it means "most" or "the majority." He then classifies bid'a into five categories.
Ibn Hajar al-Asqalani (d. 852 AH) — Commentator on Sahih al-Bukhari
“The root meaning of 'innovation' is what is produced without a prior model. In Sacred Law it is applied to what has no origin in a legal proof. For scholars of the Sunna, innovations are further divided: if it falls under something good in the Shari'a, it is a good innovation (bid'a hasana); if it falls under something evil, it is an evil innovation (bid'a sayyi'a); otherwise it is permissible (mubaha).”
Ibn Hajar — the undisputed authority on Sahih al-Bukhari — uses a three-fold classification: good, evil, or permissible. His framework aligns with al-Nawawi's but is simplified.
Al-Izz ibn Abd al-Salam (d. 660 AH) — "Sultan of the Scholars"
“Bid'a is divided into obligatory, prohibited, recommended, disliked, and permissible. The way to determine this is to weigh the innovation against the principles of the Sacred Law: if it falls under the principles of obligation, it is obligatory; if under the principles of prohibition, it is prohibited; if under the principles of recommendation, it is recommended; if under the principles of disapproval, it is disliked; if under the principles of permissibility, it is permissible.”
Imam al-Shafi'i (d. 204 AH) — Founder of the Shafi'i School
“Newly invented matters are of two kinds: that which is innovated and contradicts the Quran, the Sunna, a report from a Companion, or scholarly consensus — this is the innovation of misguidance. And that which is innovated of good in which there is no contradiction to any of these — this is a praiseworthy innovation (muhdatha ghayr madhmuma).”
This is significant: Imam al-Shafi'i — one of the four great imams — explicitly recognized two categories of innovation as early as the 2nd century AH. The five-category framework came later from his school's scholars (al-Nawawi, al-Izz ibn Abd al-Salam), but the principle of categorization goes back to al-Shafi'i himself.
Imam al-Bayhaqi (d. 458 AH) — Major Hadith Scholar
“Innovations are of two types: that which is innovated and contradicts something from the Quran or the Sunna or a narration or consensus — this is the innovation of misguidance. And that which is innovated of good that does not contradict any of these — this is a praiseworthy innovation.”
The Five Categories with Examples
Al-Nawawi and al-Izz ibn Abd al-Salam classify innovations using the same five-fold framework applied to all human actions in Islamic law:
1. Obligatory Bid'a (Wajiba)
Innovations that are necessary to fulfill a religious obligation:
- Codifying Arabic grammar — Abu al-Aswad al-Du'ali (d. 69 AH) systematized Arabic grammar to prevent the Quran from being misrecited as non-Arabs entered Islam. Without this "innovation," the Quran's pronunciation would have been corrupted.
- Adding diacritical marks (tashkil) to the Quran — dots and vowel marks were added to the Quranic text decades after the Prophet ﷺ died. No one objects to this. Without these innovations, most people alive today could not read the Quran correctly.
- Compiling the Quran into a single book (mushaf) — the Prophet ﷺ never compiled the Quran into a single bound volume. Abu Bakr initiated this after the Battle of Yamama, and Uthman standardized it. This was a new practice — and an essential one.
- Establishing the sciences of hadith authentication — the entire methodology of grading hadiths as sahih, hasan, da'if, and mawdu' was developed after the Prophet ﷺ. Without this innovation, there would be no way to distinguish authentic hadiths from fabricated ones.
2. Recommended Bid'a (Manduba / Mustahabb)
Innovations that serve a good purpose but are not strictly obligatory:
- Building madrasas (Islamic schools) — no madrasa existed in the Prophet's time. The first major madrasa system was established in the 5th century AH (11th century CE).
- Writing books of Islamic knowledge — the vast library of Islamic scholarship, from Sahih al-Bukhari to the fiqh manuals of the four schools, are all "innovations" in the sense that they did not exist in the Prophet's time.
- Organizing tarawih prayer into a congregation — Umar ibn al-Khattab gathered the Muslims behind one imam for tarawih and called it "an excellent bid'a" (see below).
- Composing salawat formulas — works like Dala'il al-Khayrat by Imam al-Jazuli are compilations of blessings upon the Prophet ﷺ that did not exist in that form during the Prophet's lifetime.
3. Permissible Bid'a (Mubaha)
Innovations that are neutral — neither rewarded nor sinful:
- New foods and clothing styles that are not prohibited by Islamic law
- Architectural innovations in mosques — domes, arches, tiles, lighting systems
- Administrative structures in Muslim governance
4. Disliked Bid'a (Makruha)
Innovations that are not sinful but are spiritually unhelpful or distasteful.
5. Prohibited Bid'a (Muharrama)
Innovations that contradict established principles of the religion:
- Sects that contradict the creed of Ahl al-Sunna — groups that deny established articles of faith
- Adding to or modifying acts of worship in ways that contradict explicit Prophetic instruction
- Innovations that lead to clear harm — practices that corrupt worship or mislead believers
The Proof from the Companions
The classification of bid'a is not merely theoretical. The Companions themselves used the word "bid'a" positively:
نِعْمَتِ الْبِدْعَةُ هَذِهِ
“What an excellent bid'a this is!”
Umar — the second Caliph, one of the ten promised Paradise, and the Prophet's closest advisor — gathered the Muslims behind one imam for tarawih prayer. When he saw them praying together, he called it a bid'a and praised it. The Arabic ni'mat (نعمت) is a strong term of approval — "how excellent."
If "every bid'a" were categorically forbidden without exception, Umar would be:
- Committing a sin by organizing tarawih in congregation
- Praising a sin by calling it "excellent"
- Leading the entire Muslim community into sin
This is inconceivable for a Companion of Umar's stature. The only coherent reading is that Umar understood "every bid'a is misguidance" as a general statement with exceptions — exactly as al-Nawawi and Ibn Hajar explain it.
The Prophetic Encouragement of Good Innovation
The Prophet ﷺ himself distinguished between good and bad innovations:
مَنْ سَنَّ فِي الْإِسْلَامِ سُنَّةً حَسَنَةً فَلَهُ أَجْرُهَا وَأَجْرُ مَنْ عَمِلَ بِهَا بَعْدَهُ مِنْ غَيْرِ أَنْ يَنْقُصَ مِنْ أُجُورِهِمْ شَيْءٌ وَمَنْ سَنَّ فِي الْإِسْلَامِ سُنَّةً سَيِّئَةً كَانَ عَلَيْهِ وِزْرُهَا وَوِزْرُ مَنْ عَمِلَ بِهَا مِنْ بَعْدِهِ
“Whoever introduces a good practice (sunna hasana) in Islam will have its reward and the reward of those who act upon it after him, without their rewards being diminished in the least. And whoever introduces a bad practice (sunna sayyi'a) in Islam will bear its burden and the burden of those who act upon it after him.”
The context of this hadith: a group of poor, destitute people came to the Prophet ﷺ, and he was visibly pained by their condition. He encouraged the Companions to give charity. One man went home, gathered what he could, and brought it back. Others followed his example. The Prophet ﷺ praised him and then made this statement.
The word sanna (سنّ) means "to establish, to inaugurate, to introduce for the first time." The hadith explicitly says whoever introduces a good practice in Islam receives ongoing reward. This is a direct prophetic encouragement to bring new, good practices into the religion — which is the definition of bid'a hasana.
Why the "All Innovation Is Haram" Position Is Untenable
If every new thing in religion were categorically forbidden, the following would all be haram:
| Innovation | When introduced | Who objects? |
|---|---|---|
| Diacritical marks and vowels on the Quran | ~1st-2nd century AH | No one |
| Compiling the Quran into a single book | During Abu Bakr's caliphate | No one |
| Hadith collections (Bukhari, Muslim, etc.) | 3rd century AH | No one |
| Congregational tarawih | Umar's caliphate | No one |
| Two adhans for Jumu'a | Uthman's caliphate | No one |
| Usul al-fiqh (principles of jurisprudence) | Imam al-Shafi'i, 2nd century AH | No one |
| Building minarets | Umayyad period | No one |
| Madrasas (Islamic schools) | 5th century AH | No one |
| Writing "sadaqAllahu al-'azim" after Quran recitation | Later centuries | No one |
| Celebrating the mawlid | 6th century AH | Only Salafi-leaning voices |
| Congregational dhikr | Prophet's own lifetime | Only Salafi-leaning voices |
Every Muslim alive today benefits from innovations that serve the religion. The proper question is never "Is this new?" but "Does this new practice align with or contradict the principles of Sacred Law?"
The Methodological Principle
“To summarize: if an innovation falls under what is classified as recommended in the Sacred Law, then it is a recommended innovation. If it falls under what is classified as blameworthy, then it is a blameworthy innovation. Otherwise, it falls under the category of the permissible. An innovation may also be obligatory.”
The test is not "Did this specific practice exist in the Prophet's time?" The test is: "Does this practice serve a purpose recognized by the Sacred Law, without contradicting any established principle?"
- If yes → it is at minimum permissible, and may be recommended or even obligatory
- If no → it is blameworthy or prohibited
This is how Islamic jurisprudence has always worked. New situations arise in every generation — and the scholars apply established principles to determine their rulings. This is the function of ijtihad and the genius of the madhab system.
Responding to Objections
Common Claim
The hadith says EVERY bid'a is misguidance — there are no exceptions. The Arabic word 'kull' is absolute.
What Scholars Actually Say
The scholars who narrated, authenticated, and commented on this hadith — Imam al-Nawawi, Ibn Hajar al-Asqalani, al-Izz ibn Abd al-Salam, Imam al-Shafi'i — all state explicitly that "kull" here is a general term qualified by other evidence. The Quran itself uses "kull" non-absolutely: "Destroying everything (kull shay') by the command of its Lord" (46:25) — but it did not destroy literally everything. General statements qualified by specific evidence is a basic principle of Arabic and of usul al-fiqh. Rejecting the scholars' explanation while relying on the hadith they transmitted is a contradiction.
Common Claim
If the Prophet ﷺ didn't do it, it can't be part of Islam.
What Scholars Actually Say
The Prophet ﷺ did not compile the Quran into a single book, did not build a minaret, did not add vowel marks to the Quran, did not organize tarawih into a congregation, did not compile hadith into books, and did not establish madrasas. The Companions and later scholars did these things — and they are considered among the greatest services to Islam. The principle is that the absence of the Prophet ﷺ doing something does not constitute its prohibition. Only an explicit prohibition constitutes a prohibition. This is a foundational principle of usul al-fiqh agreed upon by all four schools.
Common Claim
The hadith about 'sunna hasana' refers to reviving a forgotten Sunna, not introducing something new.
What Scholars Actually Say
The Arabic word sanna (سنّ) means "to establish, to inaugurate" — it refers to introducing something new, not reviving something old. If the hadith meant "whoever revives a forgotten Sunna," the Arabic would use ahya (أحيا, to revive) — which is a different word that the Prophet ﷺ used elsewhere. Furthermore, the context of the hadith involves a man bringing charity in a new way (going home, gathering resources, and returning with them) — not reviving a forgotten practice. The Prophet ﷺ praised this new initiative and then generalized: whoever introduces a good practice gets ongoing reward.
Common Claim
Imam al-Shatibi proved that all bid'a is misguidance without exception.
What Scholars Actually Say
Imam al-Shatibi (d. 790 AH) argued in his al-I'tisam that bid'a in the technical religious sense is always blameworthy. However, this is a terminological disagreement, not a substantive one. Al-Shatibi acknowledges that new practices which serve the religion (like madrasas) are not bid'a in his technical definition — he considers them masalih mursala (unrestricted interests). The practical outcome is the same as the majority position: new practices that align with the Sacred Law are permissible. The disagreement is about which word to use, not about whether such practices are allowed. Even scholars who cite al-Shatibi do not object to madrasas, hadith collections, or diacritical marks on the Quran.
What This Means in Practice
When someone says "That's bid'a!" about a practice like the mawlid, group dhikr, or salawat formulas, the correct response is not "No it isn't" — it is to ask: "What kind of bid'a?"
If the practice:
- Aligns with the Quran and Sunna in principle ✓
- Does not contradict any established ruling ✓
- Serves a recognized religious purpose (remembrance of Allah, honoring the Prophet ﷺ, strengthening faith) ✓
- Has been practiced and approved by qualified scholars across centuries ✓
Then it is, by the framework of al-Nawawi, Ibn Hajar, al-Izz ibn Abd al-Salam, and al-Shafi'i, either a recommended or permissible innovation — not misguidance.
For the full scholarly breakdown with the five-category framework, see our detailed topic page on Bid'a.
The Concept of Bid'a in the Islamic Shari'a
SeekersGuidance
Comprehensive breakdown of bid'a hasana and bid'a sayyi'a with classical source texts.
Clarifying Innovations in Islam
SeekersGuidance
Clear explanation of the two-category and five-category frameworks for evaluating innovation.
What Is Praiseworthy Innovation?
SeekersGuidance
How classical scholars defined and applied the concept of bid'a hasana.