The Prophet Prohibited Hadith
The single most awkward fact in the entire hadith enterprise is that its own most trusted books record the prophet forbidding it.
I. The Command, in Their Own Sahih
Set aside, for a moment, every argument the Quran makes against following other sources beside it. Begin instead inside the hadith literature itself, at its highest grade of authenticity, with a narration the collectors themselves ranked sahih - sound. It is recorded in Sahih Muslim, from the companion Abu Said al-Khudri:
Sahih Muslim - Abu Said al-Khudri reported that the messenger of God said: "Do not write anything from me; and whoever has written anything from me other than the Quran should erase it, and narrate from me, for there is no harm in that." (Sahih Muslim 3004)
Read the instruction plainly, because it is plain. The one book that may be written from him is the Quran. Everything else that had been written down was to be erased. This is not a stray voice from the margins of the tradition; it sits in Sahih Muslim, one of the two collections the tradition calls the most authentic books after the Quran. The very standard hadith scholarship built to certify its treasures certifies, first of all, the order to destroy them.
There is an irony here worth sitting with, because it is not rhetorical - it is structural. The case for hadith rests on the claim that these chains faithfully preserve the prophet's words. Grant that claim its best day. Then this chain, faithfully preserved, hands us the prophet's words: do not write my words. The apparatus works perfectly, and what it delivers is its own prohibition. Hadith, at its most authentic, prohibits hadith.
II. Not a Slip of the Tongue
A single narration might be explained away as a moment, a mood, a local instruction. This one is not alone. The same refusal to let anything stand beside the Book runs through the most famous episodes of the prophet's life, again in the tradition's soundest books.
Take the scene at his deathbed - reported in Sahih Bukhari, the companion volume to Muslim, on the authority of the same Ibn Abbas the hadith masters lean on everywhere else:
Sahih Bukhari - Ibn Abbas said: When the prophet was on his deathbed and in the house there were some men, he said, "Come, let me write for you a statement after which you will not go astray." Umar said, "The prophet is seriously ill and you have the Quran; the Book of God is sufficient for us." (Sahih Bukhari 114)
Whatever one concludes about that room, notice the axis the whole scene turns on: the sufficiency of the Book. The senior companion present answers a proposal to write by appealing to the one written thing already secured. The instinct - we have the Quran, and the Quran is enough - was not invented by later critics of hadith. The tradition places it in the mouth of Umar, at the bedside, as the reflex of the first community.
The same instinct is reported of Zayd ibn Thabit - and Zayd was no bystander to writing; he was the prophet's own scribe, later entrusted with gathering the Quran itself. When a governor asked him to have a tradition written down:
Sunan Abu Dawud - Zayd ibn Thabit entered upon Muawiyah, who asked him about a tradition and ordered a man to write it down. Zayd said, "The messenger of God ordered us not to write anything of his traditions." So he erased it. (Sunan Abu Dawud 3647)
The man trusted to write the Quran would not let a hadith be written, and gave the reason directly: a standing order from the prophet. When the same principle surfaces in Muslim, in Bukhari, and in Abu Dawud, from the prophet, from Umar, and from the chief scribe, it is no longer a slip. It is a policy.
III. Why He Would Forbid It
The prohibition is not arbitrary once its purpose is seen. A community was receiving a revelation and writing it down in real time. Let a second stream of writing run beside it - the prophet's own remarks, his answers, the day's rulings, everything an eager listener might jot - and within a generation the two streams blur. What God sent and what a man said start sharing a page, then sharing an authority. Forbid the second stream at the source, and the first stays uncontaminated: one Book, unmistakable, with nothing beside it dressed in the same clothes.
This is exactly the role the Quran claims for itself, and it claims it in terms that leave no room for a supplement:
"Shall I seek other than GOD as a source of law, when He has revealed to you this book fully detailed?" (6:114)
"We have revealed to you this book to provide explanations for everything, and guidance, and mercy, and good news for the submitters." (16:89)
A book that is fully detailed, that provides explanations for everything, does not lie waiting for a second corpus to complete it. It is complete. The prophet's ban on writing anything beside it is simply the practical face of that completeness - the discipline that keeps a finished book finished. The deeper reasons the community would later have for this same restraint, in memory, in reason, and in bitter experience, are taken up in the companion studies on the four caliphs, the early generations, and common sense.
IV. The Objection, and Why It Fails
Defenders of the hadith corpus meet these narrations with a familiar move: the prohibition was temporary, they say, meant only to protect the Quran while it was still being revealed, and lifted once the Quran was secure. It is a tidy theory. It is also self-defeating, in two ways at once.
First, the claim that the ban was later lifted is itself carried only by hadith - the very reports whose admissibility is in question. To use hadith to repeal the prophet's recorded ban on hadith is to assume precisely what needs proving. If the sound narration forbidding writing is trustworthy, the ban stands; if hadith are not trustworthy enough to establish the ban, they are not trustworthy enough to establish its repeal either. The argument eats itself from whichever end you pick it up.
Second, grant the apologist his own premise for the sake of argument. Suppose this narration is a genuine, binding word of the prophet. Then one is bound to obey it - and obeying it means erasing the rest. The only way to escape the command is to declare the report unreliable, and the moment it is unreliable, the collection that produced it has just confessed that its highest grade of authenticity certifies things the believer should ignore. Either the prophet forbade hadith and must be followed, or the "sound" hadith cannot be trusted. Both roads end at the Quran alone.
And the Quran named this contest long before the collectors were born:
"These are GOD's revelations that we recite to you truthfully. In which Hadith other than GOD and His revelations do they believe?" (45:6)
V. The Same Corpus, Saying the Book Is Enough
The prohibition on writing is not an isolated pair of reports that an apologist can quarantine. The same collections that were later raised into a second scripture are studded with narrations in which the prophet declares the Quran sufficient and points to nothing beside it. Asked directly what he left behind, he is made to answer with the book, and only the book:
Sahih Bukhari - Abdullah ibn Abi Awfa, asked whether the prophet had left anything besides the Quran: "He did not leave anything except what is between the two covers (of the Quran)." (Sahih Bukhari 5019)
And at the Farewell Pilgrimage, in the longest and most celebrated account of his final counsel, the one safeguard he leaves against going astray is the Book of God:
Sahih Muslim - Jabir ibn Abdullah, from the Farewell Sermon: "I have left among you that which, if you hold fast to it, you will never go astray: the Book of GOD." (Sahih Muslim 1218)
Where a companion reaches for permission to preserve the prophet's ordinary sayings as a second guide, the corpus itself records the door being shut, with the Quran named as all that is needed: "The Quran is enough for you." (Jami at-Tirmidhi 2135) A literature that hands down, in its own soundest chapters, the prophet calling the Quran sufficient and forbidding any rival to it, is a literature testifying against its own later career.
VI. Conclusion
The strongest witness against the hadith enterprise is not an outside critic. It is the enterprise's own sahih literature, testifying under its own rules. There the prophet forbids writing anything from him but the Quran; there his senior companion answers a deathbed proposal with the Book of God is sufficient for us; there his personal scribe erases a hadith rather than let it stand. A tradition that preserves those words, and preserves them at its highest grade, has preserved the case for its own dissolution.
The believer is left with the cleaner and older position, the one the prophet actually commanded and the Quran actually describes: hold to the Book, and let nothing be written beside it. "Say, 'Whose testimony is the greatest?' Say, 'GOD's. He is the witness between me and you that this Quran has been inspired to me, to preach it to you and whomever it reaches.'" (6:19). One testimony, one Book, and the prophet's own instruction to keep it that way.
Companion studies: The First Four Caliphs Prohibited Hadith, The Early Muslims Prohibited Hadith, and Common Sense Prohibits Hadith. See also The Earliest Hadith Compilations.