Makkah says Muhammad ﷺ made the Qur'an up, and that dust cannot live again. The surah answers with the One who made people from clay and gave them ears and eyes. Then it shows two bowed heads. One bows now, by choice. One hangs later, saying "now we have seen and heard".
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The thread
In the middle years at Makkah the leaders of Quraysh have two answers to the Qur'an: he made it up, and bodies that have turned to soil stay soil. The surah replies by saying who is speaking: the One who made the first human from clay and gave every human hearing, sight and a mind. Then it shows what people do with those gifts. Some hear a reminder and put their heads to the ground now. Others wait, and hang their heads on the Day, saying "now we have seen and heard". It ends with ruins to hear about, a dry field turning green to look at, and both sides waiting.
Background
Makkah, in the middle of the Prophet's ﷺ years there. The Muslims are few. Ibn Kathir records how Quraysh, the tribe that ran the town, saw them: hiding, afraid, looked down on. The powerful families have heard the Qur'an. They have settled on two replies.
The first is about the Book: he invented it. The second is about its message: when we are lost in the earth, are we really going to be made again? Both are reasonable things for a trader to say. Nobody in Makkah had seen a prophet. Everybody had seen a grave.
As-Sajdah answers both, in 30 ayat. It is named after ayah 15, an ayah of prostration. In the Hanafimadhhab (school of law), sajdah at-tilawah (the prostration of recitation) is wajib (required) on whoever recites or hears that ayah. The Companions who reported the Prophet's ﷺ habits name the surah by its opening words, "Alif Lam Mim Tanzil": he recited it at night and on Friday mornings (see the virtues below).
The journey of the surah
1-3
The charge Makkah says he invented it. The reply: it is from the Lord of the worlds, for a people no warner had come to.
4-9
Who is speaking The One who made the heavens and the earth, and the human being from clay and a drop of fluid, then gave him hearing, sight and a mind.
10-14
The first bowed head "When we are lost in the earth?" Then the same people on the Day, heads hanging: we have seen and heard, send us back.
15-20
The second bowed head People who fall in prostration now, leave their beds at night, and are promised a joy nobody has been shown.
21-22
The nearer punishment Hardship in this life, sent before the greater one, so that people might come back.
23-25
Musa's people A Book was given before. Leaders rose from that people when they were patient and certain.
26-30
Hear, see, wait Ruins to hear about. Dry land turning green to look at. "When is this decision?" Wait. They are waiting too.
The two bowed heads
The surah turns on two pictures, three ayat apart. In ayah 12 the people who laughed at the idea of rising from the soil stand before their Lord, heads hanging. Al-Jalalayn says: lowered in shame. They say, "Our Lord, we have seen and heard, so send us back and we will do good." Nobody is sent back.
In ayah 15 there is another lowered head. These are people who, when they are reminded of Allah's ayat, fall down in prostration, glorify their Lord and are not arrogant. Nobody makes them. They have seen nothing yet.
Both heads go down. What differs is when, and whether it was a choice. The surah is named after the second one.
The lessons
Ears, eyes and a mind came first Before the surah asks anything of anyone, it lists what they were given to work with. Ibn Kathir's comment: the fortunate person is the one who uses them. Ayah 9
Belief counts before the proof is in front of you On the Day everyone is certain. The surah's point: by then, certainty changes nothing. Ayah 12
The night prayer Their sides leave their beds and they call on their Lord in fear and hope. The Prophet [saw] recited this ayah when he described the night prayer to Mu'adh. Ayah 16
A reward kept hidden No soul knows the joy hidden for them. In a hadith qudsi (a saying in which the Prophet [saw] reports Allah's words): "what no eye has seen and no ear has heard" (Bukhari 4779). Ayah 17
Hardship can be a message The surah gives the purpose of the nearer punishment in its own words: so that perhaps they will return. Ayah 21
Leadership is earned Through sabr (patience) and yaqin (certainty). Ibn Kathir adds that the same people lost it when they twisted what they had been given. Ayah 24
Ayah 15 is a sajdah ayah A reader who reaches it prostrates. In the Hanafi school this is required of whoever recites or hears it. Ayah 15
Virtues, with their grading
The Prophet [saw] would not sleep until he had recited Alif Lam Mim Tanzil (As-Sajdah) and Tabarak (Al-Mulk).
Tirmidhi 2892 Sahih Authenticated by al-Hakim and adh-Dhahabi
He [saw] recited As-Sajdah and Al-Insan in Fajr on Friday.
Bukhari 891, Muslim 880 Sahih In Sahih al-Bukhari and Sahih Muslim
Section by section
1-3
"He made it up"
The surah opens with the accusation Makkah is making, and answers it in one breath.
2 [This is] the revelation of the Book about which there is no doubt from the Lord of the worlds.
3 Or do they say, "He invented it"? Rather, it is the truth from your Lord, [O Muḥammad], that you may warn a people to whom no warner has come before you [so] perhaps they will be guided.
As-Sajdah 32:2-3
What's happening
Three letters, Alif Lam Mim. Then a flat statement: this Book is sent down from the Lord of the worlds, and there is no doubt in it. Mawlana Wahiduddin Khan, in Tazkirul Qur'an, stops on how large that claim is. It reads like an ordinary sentence. But hardly anyone in the history of religion has dared to say it of a book.
Then the surah quotes the other side: "Or do they say, he invented it?" That was one of Quraysh's charges. They knew Muhammad ﷺ. He had grown up among them. It was easier to believe he had written it himself than that it had come from above.
The reply does not argue at length. It says what the Book is and who it is for: the truth from your Lord, so that you may warn a people to whom no warner has come before you, so that they may be guided. The Arabs of Makkah had no prophet in living memory. The surah presents the Qur'an as their turn.
The Qur'an presents itself to Makkah as a first warning, to people who had never had a messenger of their own.
4 It is Allāh who created the heavens and the earth and whatever is between them in six days; then He established Himself above the Throne. You have not besides Him any protector or any intercessor; so will you not be reminded?
5 He arranges [each] matter from the heaven to the earth; then it will ascend to Him in a Day, the extent of which is a thousand years of those which you count.
7 Who perfected everything which He created and began the creation of man from clay. 8 Then He made his posterity out of the extract of a liquid disdained. 9 Then He proportioned him and breathed into him from His [created] soul and made for you hearing and vision and hearts [i.e., intellect]; little are you grateful.
As-Sajdah 32:7-9
What's happening
It starts as wide as it can. Allah made the heavens, the earth and everything between them in six days. Al-Jalalayn counts them from Sunday to Friday. Wahiduddin Khan reads them as six stages. Al-Mukhtasar adds that He could have done it in less than the blink of an eye. Then He is over the Throne, and from there He runs every matter, from the sky down to the earth.
Ayah 4 has a line aimed at Makkah's religion: you have no protector and no intercessor besides Him. Will you not then remember? Ibn Kathir says that question is addressed to people who worship others beside Him and put their trust in them. He adds that there is no intercessor except one Allah gives permission to.
Then it narrows to one creature. He began the human being from clay. He made that human's descendants from a drop of fluid nobody thinks much of. Then He shaped him and breathed spirit into him. And then the sentence turns and speaks to the listener: He gave you hearing, sight and hearts. Little thanks do you give.
Everything that follows hangs on that list of gifts. The surah has just told the people of Makkah that they have ears, eyes and minds. The rest of it is about what they do with them.
Before the surah asks anything, it lists what the listener was given: hearing, sight and a mind.
10 And they say, "When we are lost [i.e., disintegrated] within the earth, will we indeed be [recreated] in a new creation?" Rather, they are, in the meeting with their Lord, disbelievers.
11 Say, "The angel of death who has been entrusted with you will take you. Then to your Lord you will be returned."
12 If you could but see when the criminals are hanging their heads before their Lord, [saying], "Our Lord, we have seen and heard, so return us [to the world]; we will work righteousness. Indeed, we are [now] certain."
As-Sajdah 32:12
What's happening
Here is the second objection, in their own words: when we are lost in the earth, will we really be made new? It is a fair picture of what they had seen. A body goes into the ground. After some years there is nothing there to point at.
The surah says what is under the question: they deny that they will meet their Lord. Then the Prophet ﷺ is given one sentence to say back. The angel of death, who has been put in charge of you, will take you. Then you will be returned to your Lord. No argument about soil. Only: your death is not an accident, it is an appointment, and someone has your name.
Ayah 12 cuts straight to the meeting they denied. "If you could only see": the same people, heads hanging before their Lord. "Our Lord, we have seen and heard. Send us back and we will do good. Now we are certain."
Ayah 13 says Allah could have given every soul its guidance. On one reading, this explains why nobody is forced to believe before that point. He did not, and the result is that some will fill Hell. Ayah 14 is what they are told there: taste it, because you forgot the meeting of this Day. We have forgotten you.
On the Day everyone sees and hears. The surah's point is that by then it no longer counts.
15 Only those believe in Our verses who, when they are reminded by them, fall down in prostration and exalt [Allāh] with praise of their Lord, and they are not arrogant.
16 Their sides part [i.e., they arise] from [their] beds; they supplicate their Lord in fear and aspiration, and from what We have provided them, they spend.
17 And no soul knows what has been hidden for them of comfort for eyes [i.e., satisfaction] as reward for what they used to do.
18 Then is one who was a believer like one who was defiantly disobedient? They are not equal.
As-Sajdah 32:18
What's happening
Ayah 15 is the ayah the surah is named for. Who really believes in Our ayat? Only those who, when reminded of them, fall down in prostration, glorify their Lord with praise, and are not arrogant. Ayah 12 stands beside it. There, heads hung because there was no choice left. Here, people put their faces on the ground while they are still free not to.
"Not arrogant" is the key phrase. Ibn Kathir reads it as: not too proud to follow. Wahiduddin Khan describes what pride protects. Accepting the truth can mean admitting you had been wrong, perhaps to someone of lower standing, and turning your life over. Some people, he says, want the truth and their own importance both, and never find it.
Ayah 16 follows these people home. Their sides part from their beds. They call on their Lord in fear and hope, and they give from what they have been given. Ayah 17 answers with a promise shaped like a secret: no soul knows what joy has been hidden for them.
Then the surah draws the line. Is a believer like one who defies? They are not equal. For one, gardens, as a welcome. For the other, the Fire, and each time they try to leave it they are returned.
Both heads go down in the end. These people chose when.
21 And We will surely let them taste the nearer punishment short of the greater punishment that perhaps they will return [i.e., repent].
As-Sajdah 32:21
What's happening
Ayah 21 says there are two punishments, and one comes early. "We will let them taste the nearer punishment before the greater one, so that perhaps they will return."
Ibn 'Abbas and many others explained the nearer one as the hardships of this life: illness, loss and calamity. Some also included the defeat at Badr. What matters most is the last phrase. The ayah gives the purpose itself, and the purpose is not to hurt. It is to turn someone around while turning is still possible. In ayah 12 they begged to be sent back. Here, they are still in the place they will beg to return to.
Ayah 22 then asks who does more wrong than a person who is reminded of the ayat of his Lord and turns away. The reminder may come as a recited ayah. On this reading it may also come as a bad year.
The surah gives hardship a purpose in its own words: so that perhaps they will return.
23 And We certainly gave Moses the Scripture, so do not be in doubt over his meeting. And We made it [i.e., the Torah] guidance for the Children of Israel.
24 And We made from among them leaders guiding by Our command when they were patient and [when] they were certain of Our signs.
As-Sajdah 32:24
What's happening
"We gave Musa the Book." Musa is Moses. The opening charge was that Muhammad ﷺ invented a scripture. The surah answers: Allah has sent a Book to a people through one man before, and it was a guide for the Children of Israel.
Then it says what became of them. "We made leaders from among them, guiding by Our command, when they were patient and were certain of Our signs." For a handful of Muslims in Makkah, hiding and mocked, this was a description of a road. Within a generation of this surah, Ziyaad's notes observe, the Muslims' own position had turned around.
Ibn Kathir does not let the story end at the high point. When those leaders later changed and twisted what they had been given, he says, they lost that position and their hearts hardened. Ayah 25 leaves the reckoning to Allah: your Lord will judge between them, on the Day of Resurrection, about what they used to differ over.
A small, pressed group became leaders through patience and certainty, and lost that place when they twisted the Book they had been given.
26 Has it not become clear to them how many generations We destroyed before them, [as] they walk among their dwellings? Indeed in that are signs; then do they not hear?
27 Have they not seen that We drive water [in clouds] to barren land and bring forth thereby crops from which their livestock eat and [they] themselves? Then do they not see?
28 And they say, "When will be this conquest, if you should be truthful?" 29 Say, [O Muḥammad], "On the Day of Conquest the belief of those who had disbelieved will not benefit them, nor will they be reprieved." 30 So turn away from them and wait. Indeed, they are waiting.
As-Sajdah 32:28-30
What's happening
First, something to hear about. How many generations were destroyed before them, and they walk among their dwellings. Quraysh were traders. Al-Jalalayn says they passed these ruins on their journeys to Syria. The ayah ends: do they not hear?
Second, something to look at. Water is driven to barren land, crops come up, and their animals and they themselves eat from it. Al-Jalalayn spells out the point: the One who does that can bring them back after death. The ayah ends: do they not see?
Hear and see. Those are the two gifts from ayah 9, and the two words of the plea in ayah 12. The surah is asking for them to be used now.
Makkah's answer is a jeer: so when is this decision, if you are telling the truth? The reply is that on that day, believing will be of no use to those who refused, and nobody will be given more time. Then the last line, to the Prophet ﷺ: turn away from them and wait. They are waiting too.
The surah ends by pointing at ruins and at rain, and asking for ears and eyes to be used while it still counts.