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Surah 18 · Makkah · 110 āyāt
Phase 03 · The boycott and the Year of Sorrow(c. 7–5 BH) — view in timelineAl-KahfThe Cave
الكهف
A late-Makkan surah built around four stories, each one a trial: faith (the youths of the Cave), wealth (the two garden owners), knowledge (Mūsā and al-Khiḍr) and power (Dhul-Qarnayn). Between the stories the surah keeps returning to one antidote — remembering Allah, holding to sincere company, and measuring everything against the meeting with your Lord. The Prophet ﷺ tied it to protection from the greatest trial of all, the Dajjāl.
Why it was revealed
Quraysh sent two men to the rabbis of Yathrib to test the Prophet ﷺ. They were told to ask about three things: some youths who disappeared long ago, a man who travelled to the ends of the earth, and the rūḥ (spirit). The answers came in this surah — but only after a pause, because he ﷺ had promised an answer 'tomorrow' without saying 'in shāʾ Allāh'.
Drawn fromQurʾān 17:85; Ṣaḥīḥ Muslim 2413 (on the weak believers); Ṣaḥīḥ Muslim 809; Ibn Kathīr on 18:23–24; Ibn Kathīr on 18:28; Ibn Kathīr, intro to al-Kahf; Ibn Kathīr, Tafsīr, introduction to Sūrat al-Kahf; Ibn Hishām, al-Sīrah; Ibn Hishām, al-Sīrah (via Ibn Isḥāq); al-Bayhaqī / al-Ḥākim (Friday recitation, graded ṣaḥīḥ by al-Albānī)
Ibn ʿAbbās reported that Quraysh sent an-Naḍr ibn al-Ḥārith and ʿUqbah ibn Abī Muʿayṭ to the Jewish scholars of Madinah, who told them: ask him about these three matters — if he answers, he is a prophet. Revelation was withheld for a period before Sūrat al-Kahf came with the answers, and with āyāt 23–24: 'And never say of anything, I will surely do that tomorrow — except [when adding], if Allah wills.'
Cited toIbn Hishām, al-Sīrah (via Ibn Isḥāq); Ibn Kathīr, Tafsīr, introduction to Sūrat al-Kahf
In the Prophet's ﷺ life
Quraysh look for a test
Unable to answer the Qur'an, the leaders of Makkah sought a way to expose the Prophet ﷺ as a fraud, and turned to the People of the Book for questions only a prophet could answer.
Recalled in āyah 1, 2
ٱلْحَمْدُ لِلَّهِ ٱلَّذِىٓ أَنزَلَ عَلَىٰ عَبْدِهِ ٱلْكِتَـٰبَ وَلَمْ يَجْعَل لَّهُۥ عِوَجَا ۜ
[All] praise is [due] to Allāh, who has sent down upon His Servant [Muḥammad (ﷺ)] the Book and has not made therein any deviance.
قَيِّمًا لِّيُنذِرَ بَأْسًا شَدِيدًا مِّن لَّدُنْهُ وَيُبَشِّرَ ٱلْمُؤْمِنِينَ ٱلَّذِينَ يَعْمَلُونَ ٱلصَّـٰلِحَـٰتِ أَنَّ لَهُمْ أَجْرًا حَسَنًا
[He has made it] straight, to warn of severe punishment from Him and to give good tidings to the believers who do righteous deeds that they will have a good reward [i.e., Paradise].
Cited toIbn Hishām, al-Sīrah; Ibn Kathīr, intro to al-Kahf
- Madd — 2 vowels
- Madd — 2, 4 or 6 vowels
- Madd — 6 vowels (lāzim)
- Madd — 4 or 5 vowels (wājib)
- Ghunnah — 2 vowels
- Qalqalah
- Ikhfāʾ
- Ikhfāʾ shafawī
- Idghām shafawī
- Idghām with ghunnah
- Idghām without ghunnah
- Idghām mutajānisayn
- Idghām mutaqāribayn
- Iqlāb
- Hamzat al-waṣl
- Lām shamsiyyah
- Silent letter
Tajwīd markup and colour convention: Quran.com API (v4) — text_uthmani_tajweed. Recitation audio: Quran.com / Quran Foundation Audio API (v4).
The straight Book: praise, warning, and a Prophet who grieves
The surah opens by praising Allah for a Book with no crookedness in it — a warning for those who claim He has a son, and glad tidings for the believers. Then it consoles the Prophet ﷺ, who was destroying himself with grief over their refusal, and reframes the whole world as an adornment placed there as a test, destined to become barren dust.
Drawn fromAl-Saʿdī; Ibn Kathīr
ٱلْحَمْدُ لِلَّهِ ٱلَّذِىٓ أَنزَلَ عَلَىٰ عَبْدِهِ ٱلْكِتَـٰبَ وَلَمْ يَجْعَل لَّهُۥ عِوَجَا ۜ
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[All] praise is [due] to Allāh, who has sent down upon His Servant [Muḥammad (ﷺ)] the Book and has not made therein any deviance.
قَيِّمًا لِّيُنذِرَ بَأْسًا شَدِيدًا مِّن لَّدُنْهُ وَيُبَشِّرَ ٱلْمُؤْمِنِينَ ٱلَّذِينَ يَعْمَلُونَ ٱلصَّـٰلِحَـٰتِ أَنَّ لَهُمْ أَجْرًا حَسَنًا
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[He has made it] straight, to warn of severe punishment from Him and to give good tidings to the believers who do righteous deeds that they will have a good reward [i.e., Paradise].
From the tafsīr
'No crookedness' means the Book is straight, moderate, without contradiction or deviation — it says plainly what earlier scriptures blurred.
Cited toIbn Kathīr
The earth's adornment (āyah 7) is not condemned; it is described as a test — the question is not whether beauty exists but what you do in front of it.
Cited toAl-Saʿdī
Key takeaways
- The Qur'an's first claim about itself is straightness — no distortion, no hidden agenda.
Drawn fromAl-Saʿdī; Ibn Kathīr
- Grief over people's rejection is human, but Allah reminds His Prophet ﷺ that guidance is not his burden to force.
Drawn fromAl-Saʿdī; Ibn Kathīr
- Everything attractive on earth is deliberately placed as an exam question, not a reward.
Drawn fromAl-Saʿdī; Ibn Kathīr
Reflect
Which 'adornment' in your life are you currently treating as a prize rather than a test?
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Question 1 of 2
What quality of the Qur'an does āyah 1 emphasise?
Question 2 of 2
How does the surah frame worldly attractiveness?
Trial of faith: the youths of the Cave
Young men in a hostile city choose their faith over their society, withdraw to a cave, and are put to sleep for over three centuries. Their only strategy is a duʿāʾ — mercy from You, and right guidance in our affair — and Allah takes over from there: He guards their hearts, their bodies, even the turning of their sides.
Drawn fromAl-Qurṭubī; Ibn Kathīr
إِذْ أَوَى ٱلْفِتْيَةُ إِلَى ٱلْكَهْفِ فَقَالُوا۟ رَبَّنَآ ءَاتِنَا مِن لَّدُنكَ رَحْمَةً وَهَيِّئْ لَنَا مِنْ أَمْرِنَا رَشَدًا
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[Mention] when the youths retreated to the cave and said, "Our Lord, grant us from Yourself mercy and prepare for us from our affair right guidance."
وَلَا تَقُولَنَّ لِشَا۟ىْءٍ إِنِّى فَاعِلٌ ذَٰلِكَ غَدًا
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And never say of anything, "Indeed, I will do that tomorrow,"
إِلَّآ أَن يَشَآءَ ٱللَّهُ ۚ وَٱذْكُر رَّبَّكَ إِذَا نَسِيتَ وَقُلْ عَسَىٰٓ أَن يَهْدِيَنِ رَبِّى لِأَقْرَبَ مِنْ هَـٰذَا رَشَدًا
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Except [when adding], "If Allāh wills." And remember your Lord when you forget [it] and say, "Perhaps my Lord will guide me to what is nearer than this to right conduct."
From the tafsīr
They were youths, and youth is more accepting of truth than the elders entrenched in their ways; Allah calls them fityah and says 'We increased them in guidance' after they believed.
Cited toIbn Kathīr
Their withdrawal was not escapism but preservation of dīn when open practice was impossible — a licence, not a permanent ideal.
Cited toAl-Qurṭubī
Key takeaways
- Faith may cost you your place in society; the surah treats that cost as normal, not exceptional.
Drawn fromAl-Qurṭubī; Ibn Kathīr
- When you take one step toward Allah with sincerity, He increases you in guidance beyond your own effort.
Drawn fromAl-Qurṭubī; Ibn Kathīr
- Never bind your future to your own will — say in shāʾ Allāh, and return to remembrance when you forget.
Drawn fromAl-Qurṭubī; Ibn Kathīr
Reflect
Where are you currently negotiating your faith to keep your standing with people?
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Question 1 of 2
What correction do āyāt 23–24 give the Prophet ﷺ?
Question 2 of 2
What did the fityah request from their Lord?
Trial of wealth: the two men and the two gardens
One man has two flourishing gardens and concludes he is permanent and favoured; his poor companion answers not with envy but with theology — say mā shāʾa Allāh, lā quwwata illā billāh. The garden is destroyed overnight, and the surah gives its verdict: wealth and children are the ornament of this life, but the enduring good deeds are better with your Lord.
Drawn fromAl-Ṭabarī; Ibn Kathīr
وَٱصْبِرْ نَفْسَكَ مَعَ ٱلَّذِينَ يَدْعُونَ رَبَّهُم بِٱلْغَدَوٰةِ وَٱلْعَشِىِّ يُرِيدُونَ وَجْهَهُۥ ۖ وَلَا تَعْدُ عَيْنَاكَ عَنْهُمْ تُرِيدُ زِينَةَ ٱلْحَيَوٰةِ ٱلدُّنْيَا ۖ وَلَا تُطِعْ مَنْ أَغْفَلْنَا قَلْبَهُۥ عَن ذِكْرِنَا وَٱتَّبَعَ هَوَىٰهُ وَكَانَ أَمْرُهُۥ فُرُطًا
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And keep yourself patient [by being] with those who call upon their Lord in the morning and the evening, seeking His face [i.e., acceptance]. And let not your eyes pass beyond them, desiring adornments of the worldly life, and do not obey one whose heart We have made heedless of Our remembrance and who follows his desire and whose affair is ever [in] neglect.
وَٱضْرِبْ لَهُم مَّثَلَ ٱلْحَيَوٰةِ ٱلدُّنْيَا كَمَآءٍ أَنزَلْنَـٰهُ مِنَ ٱلسَّمَآءِ فَٱخْتَلَطَ بِهِۦ نَبَاتُ ٱلْأَرْضِ فَأَصْبَحَ هَشِيمًا تَذْرُوهُ ٱلرِّيَـٰحُ ۗ وَكَانَ ٱللَّهُ عَلَىٰ كُلِّ شَىْءٍ مُّقْتَدِرًا
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And present to them the example of the life of this world, [its being] like rain which We send down from the sky, and the vegetation of the earth mingles with it and [then] it becomes dry remnants, scattered by the winds. And Allāh is ever, over all things, Perfect in Ability.
ٱلْمَالُ وَٱلْبَنُونَ زِينَةُ ٱلْحَيَوٰةِ ٱلدُّنْيَا ۖ وَٱلْبَـٰقِيَـٰتُ ٱلصَّـٰلِحَـٰتُ خَيْرٌ عِندَ رَبِّكَ ثَوَابًا وَخَيْرٌ أَمَلًا
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Wealth and children are [but] adornment of the worldly life. But the enduring good deeds are better to your Lord for reward and better for [one's] hope.
From the tafsīr
His sin was not wealth but attributing it to himself and doubting the Hour: 'I do not think that this will ever perish.' Ownership without gratitude becomes denial.
Cited toIbn Kathīr
'Al-bāqiyāt aṣ-ṣāliḥāt' was explained by the Salaf as subḥān Allāh, al-ḥamdu lillāh, lā ilāha illā Allāh and Allāhu akbar, and more broadly every act of obedience that outlasts you.
Cited toAl-Ṭabarī
Key takeaways
- Wealth turns dangerous the moment you say 'mine' instead of 'His'.
Drawn fromAl-Ṭabarī; Ibn Kathīr
- The believer's reply to blessing is mā shāʾa Allāh, lā quwwata illā billāh.
Drawn fromAl-Ṭabarī; Ibn Kathīr
- Sit with those who call on their Lord morning and evening, even if the powerful want you elsewhere (āyah 28).
Drawn fromAl-Ṭabarī; Ibn Kathīr
Reflect
Name one blessing you have quietly started crediting to yourself.
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Question 1 of 2
What did the wealthy man get wrong?
Question 2 of 2
What does āyah 46 place above wealth and children?
Trial of knowledge: Mūsā and al-Khiḍr
Mūsā عليه السلام, given revelation and speech with Allah, is sent to learn from a servant given a different kind of knowledge. A boat is damaged, a boy is killed, a wall is repaired without pay — three events that look like injustice until the reasons are disclosed. The lesson is not that knowledge is relative, but that your view of events is partial.
Drawn fromṢaḥīḥ al-Bukhārī; Ibn Kathīr
From the tafsīr
Ubayy ibn Kaʿb narrated the full account from the Prophet ﷺ: Mūsā was asked who was the most knowledgeable, and said 'I am' — so Allah directed him to al-Khiḍr at the junction of the two seas.
Cited toṢaḥīḥ al-Bukhārī
Al-Khiḍr's closing words — 'I did not do it of my own accord' — establish that even his hidden knowledge was given, not self-generated.
Cited toIbn Kathīr
Key takeaways
- Claiming to be the most knowledgeable is itself a gap in knowledge.
Drawn fromṢaḥīḥ al-Bukhārī; Ibn Kathīr
- What looks like harm may be protection whose reason has not been shown to you yet.
Drawn fromṢaḥīḥ al-Bukhārī; Ibn Kathīr
- Patience with a teacher, and with Allah's decree, is a condition of learning — 'you will never be able to have patience with me'.
Drawn fromṢaḥīḥ al-Bukhārī; Ibn Kathīr
Reflect
What painful event in your life might be a damaged boat — loss that prevented a greater loss?
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Question 1 of 2
What is the core lesson of the three incidents?
Question 2 of 2
Why was Mūsā عليه السلام directed to al-Khiḍr?
Trial of power: Dhul-Qarnayn
A king given reach and means across the earth uses power the way it should be used: justice at the west, mercy at the east, and construction where people are helpless. When his iron barrier is complete he refuses the credit — 'this is a mercy from my Lord' — and immediately names its expiry date at the promise of his Lord.
Drawn fromAl-Qurṭubī; Ibn Kathīr
From the tafsīr
'We established him in the earth and gave him means to everything' — resources are stated as a grant, and each of his three journeys begins with 'then he followed a way', showing purposeful use, not conquest for its own sake.
Cited toIbn Kathīr
He took no payment from the people he protected, asking only for their labour — leadership that spends itself on the governed.
Cited toAl-Qurṭubī
Key takeaways
- Power is a loan with a purpose: justice for the wrongdoer, ease for the weak.
Drawn fromAl-Qurṭubī; Ibn Kathīr
- Refusing credit for your achievements is the safeguard that keeps power from corrupting.
Drawn fromAl-Qurṭubī; Ibn Kathīr
- Even the strongest structure has an appointed end; plan with that in view.
Drawn fromAl-Qurṭubī; Ibn Kathīr
Reflect
In the small authority you hold — at home, at work — who is the 'helpless people' you are building for?
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Question 1 of 2
How did he respond to his own achievement?
Question 2 of 2
What kind of leadership does the story model?
The greatest loss — and the two conditions
The surah ends by naming the biggest losers: not those who did nothing, but those whose effort was lost while they thought they were doing well. The remedy is the last āyah — hope for the meeting with your Lord, then two conditions: righteous action, and no partner in the worship of your Lord.
Drawn fromAl-Saʿdī; Ibn Kathīr
قُلْ إِنَّمَآ أَنَا۠ بَشَرٌ مِّثْلُكُمْ يُوحَىٰٓ إِلَىَّ أَنَّمَآ إِلَـٰهُكُمْ إِلَـٰهٌ وَٰحِدٌ ۖ فَمَن كَانَ يَرْجُوا۟ لِقَآءَ رَبِّهِۦ فَلْيَعْمَلْ عَمَلًا صَـٰلِحًا وَلَا يُشْرِكْ بِعِبَادَةِ رَبِّهِۦٓ أَحَدًۢا
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Say, "I am only a man like you, to whom has been revealed that your god is one God. So whoever would hope for the meeting with his Lord - let him do righteous work and not associate in the worship of his Lord anyone."
From the tafsīr
The greatest losers are those whose deeds are void — either through disbelief or through deeds done for other than Allah while assuming they are accepted.
Cited toIbn Kathīr
Āyah 110 gathers the two conditions of every accepted deed: correctness according to the Sunnah ('righteous action') and sincerity ('associate none in worship').
Cited toAl-Saʿdī
Key takeaways
- Sincerity is not a bonus on a good deed; it is a condition for it counting at all.
Drawn fromAl-Saʿdī; Ibn Kathīr
- Self-assurance is not evidence of acceptance — 'they think they are doing well' is the warning.
Drawn fromAl-Saʿdī; Ibn Kathīr
- The whole surah's antidote to the four trials is one relationship: hoping for the meeting with your Lord.
Drawn fromAl-Saʿdī; Ibn Kathīr
Reflect
Pick one regular good deed of yours — who would notice if you stopped, and does that matter to you?
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Question 1 of 2
Who does āyah 103–104 describe as the greatest losers in deeds?
Question 2 of 2
What does āyah 110 require of the hopeful believer?
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Roots from this surah
Learn the three-letter root and you unlock every word built from it — across the whole Qur'an, not just this surah.
ك ه ف
āyāt 9, 10, 11, 16, 17, 25a cave — a hollow in a mountain that shelters
- كَهْفcave, refuge
- كَهْف الأمّةidiom: the shelter of a people
ف ت ي
āyāt 10, 13, 60, 62youth, vigour, and by extension chivalry
- فَتًىyoung man
- فِتْيَةa band of youths
- فُتُوَّةchivalry, noble youth
- فَتْوَىٰa legal verdict (a 'young' fresh answer)
ر ش د
āyāt 10, 17, 24, 66to be rightly directed, mature in judgement
- رَشَدright direction
- رَاشِدrightly guided
- أَرْشَدَhe directed rightly
ب ق ي
āyāt 46to remain, to endure after others pass
- بَاقِيremaining
- ٱلْبَاقِيَاتthe enduring things
- أَبْقَىٰmore lasting
ز ي ن
āyāt 7, 46to adorn, to make attractive
- زِينَةadornment
- زَيَّنَhe beautified
- مُزَيَّنdecorated
ص ب ر
āyāt 28, 67, 68, 69, 72, 75, 78, 82to restrain and hold fast — patience as confinement of the self
- صَبْرpatience
- ٱصْبِرْbe patient
- صَابِرone who perseveres
ع م ل
āyāt 2, 30, 46, 103, 104, 110to act, to work — deeds as labour
- عَمَلdeed, work
- عَامِلworker
- أَعْمَالdeeds
Carry this with you
- Four trials, one antidote: keep your eye on the meeting with your Lord.
- Say in shāʾ Allāh — your tomorrow was never yours to promise.
- Wealth is an ornament; only what you send ahead endures.
- Being sure you are doing well is not the same as being accepted.
Where this surah connects
Cross-surah threads
Parts of the Qurʾān explain other parts. Each thread below opens the same subject as it is argued across every other surah you have studied, in revelation order.
Sources behind Sūrah Al-Kahf
Every line of context, tafsīr and takeaway on this page traces back to one of these references. Ḥadīth numbers open on sunnah.com and āyah references open on quran.com, so you can check the claim rather than take it on trust. The Arabic text itself is fetched live from a verified public corpus.
Qur'an1
Ḥadīth4
Tafsīr18
- Al-Qurṭubī
- Al-Qurṭubī on 18:86–95
- Al-Saʿdī
- Al-Saʿdī on 18:110
- Al-Saʿdī on 18:7
- Al-Ṭabarī
- Al-Ṭabarī on 18:46
- Ibn Kathīr
- Ibn Kathīr on 18:1
- Ibn Kathīr on 18:10
- Ibn Kathīr on 18:103–104
- Ibn Kathīr on 18:23–24
- Ibn Kathīr on 18:28
- Ibn Kathīr on 18:34–36
- Ibn Kathīr on 18:78–82
- Ibn Kathīr on 18:98
- Ibn Kathīr, intro to al-Kahf
- Ibn Kathīr, Tafsīr, introduction to Sūrat al-Kahf
Seerah & history2
- Ibn Hishām, al-Sīrah
- Ibn Hishām, al-Sīrah (via Ibn Isḥāq)
Other references1
- al-Bayhaqī / al-Ḥākim (Friday recitation, graded ṣaḥīḥ by al-Albānī)
Full exam — the whole surah, from memory
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Al-Kahf · Trial of knowledge: Mūsā and al-Khiḍr
What is the core lesson of the three incidents?
Arabic (Uthmānī script) and the Ṣaḥīḥ International translation are fetched live from the Quran.com API (v4), sourced from the King Fahd Complex muṣḥaf — api.quran.com API docs · Translation: Ṣaḥīḥ International · Integrity & testing protocol