The Impossibility of Human Authorship in Declaring Muhammad the Seal of the Prophets

 

By Naseer Ahmed, New Age Islam

19 November 2025

There are several proofs of the divine origin of the Qur’an. These include the challenges the Qur’an itself poses to the deniers—challenges I have discussed elsewhere. In this article, I focus on a different and often overlooked proof: the Qur’an’s declaration of Muhammad (PBUH) as the Seal of the Prophets, and why no human author could ever have dared to make such a claim.

No human—least of all a humble, unlettered man like Muhammad (PBUH)—could ever have known that the world would never again require a new prophet or a new revelation. Nor could he have known when the historical and moral conditions for a final testament had been fully and irreversibly completed.

Yet the Qur’an declares exactly this.

This article demonstrates why the declaration of Muhammad as Khātam al-Nabiyyīn (33:40) and the revelation of the perfected Dīn (5:3) are beyond human authorship, and why they together constitute definitive proof of the Qur’an’s createdness in real time (Tanzıl) and its divine origin.

1. Why No Human Could Know That Revelation Had Ended

To declare oneself the last prophet requires certain knowledge of the future:

·         that human nature will never change,

·         that no new moral instincts will evolve,

·         that no new social capacities will arise requiring new revelation,

·         that the religion has reached its final, perfected form.

But no human being—whether in the 7th century or the 21st—has access to this knowledge.

Even today, many assume that a revelation from the 7th century must be outdated in the 21st. How then could a man in the 7th century know that no future moral, cognitive, or evolutionary development would ever require further divine guidance?

The Qur’an itself provides the underlying logic:

Humanity had completed its biological and cognitive maturation long before Muhammad (PBUH).

No new human species with new moral instincts would emerge.

No new type of conscience would evolve.

But this was not the primary obstacle for earlier communities. Their limitation was not biological immaturity but inability to preserve revelation.

Earlier scriptures were revealed in languages destined to disappear. A text cannot remain universal if its language dies. Even perfect memorisation cannot preserve meaning when the language itself becomes extinct, for translations are interpretations—and distortions that cannot be corrected without the original.

Muhammad (PBUH) could never have known:

that Arabic would survive as a strong, living language;

that its structural precision made it uniquely preservable;

that a community capable of mass memorisation and textual preservation had finally emerged.

He could not have known that this particular revelation would remain intact forever, whereas earlier revelations could not.

Thus, the Prophet could never have known when the historical barrier that necessitated new prophets had finally ended.

This alone negates human authorship.

2. Perfection of Religion Required Completion of Five Historical Phases

The Qur’an proclaims:

“This day I have perfected your religion for you…” (5:3)

But perfection required that the Prophetic mission traverse the entire moral landscape of human society. This demanded five distinct historical phases, none of which were completed by earlier prophets.

Universal finality is impossible unless revelation addresses the full spectrum of human moral experience:

·         weakness and power,

·         minority and majority existence,

·         persecution and victory,

·         war and reconciliation,

·         pluralism and political authority.

·         Phase 1 — Peaceful Propagation (Makkan Period)

·         Guidance for powerless minorities:

·         coexistence with hostile groups,

·         patience,

·         moral persuasion,

·         non-retaliation.

 

Phase 2 — Governance and Legislation (Madinan Statehood)

Once the Prophet became head of state, legal verses could be revealed concerning:

·         justice,

·         governance,

·         social regulation,

·         public morality and punishments.

·         Without political authority, legislation could not emerge.

·         Phase 3 — Just War Ethics

·         These principles could only be revealed under real, existential aggression:

·         when war is permitted,

·         proportionality,

·         sanctity of life,

·         treaties,

·         humane treatment of captives and their ransom.

 

Phase 4 — Justice Toward the Vanquished

After victory:

1.    amnesty,

2.    exemption for those who fought fairly,

3.    treatment of war criminals.

4.    Phase 5 — Post-Victory Pluralism

5.    These verses crown the mission:

6.    no compulsion (2:256),

7.    secular justice (4:135; 5:8),

8.    shared food and intermarriage (5:5),

9.    salvific inclusivism (5:69),

10.celebration of diversity (5:48, 30:22, 49:13).

11.No prophet before Muhammad completed all five phases.
Hence, no earlier scripture could be final.

 

3. Why Earlier Scriptures Could Not Be Final

Jesus (PBUH) completed only Phase 1. He:

·         did not rule a polity,

·         did not legislate,

·         did not wage just war,

·         did not negotiate treaties,

·         did not establish political pluralism.

·         Thus, the Bible resembles the Makkan Qur’an—morally pure but socially incomplete.

·         No previous prophet traversed the entire spectrum required for universal finality.

 

4. Completion Was Not Predetermined

If everything were predetermined:

·         Quraysh persecutors,

·         hypocrites,

·         betrayers,

·         killers,

·         would be actors in a divine script without moral agency. This contradicts divine justice.

·         History was open. Many realistic outcomes could have ended the mission prematurely.

 

Possibility 1 — Quraysh Accept “To you your religion, to me mine” (109:6)

·         Peace would continue.
But without persecution:

·         no just war ethics,

·         no post-victory pluralism.
The dīn would remain incomplete.

 

Possibility 2 — Prophet Becomes Ruler Without Persecution

Legislation could appear, but not war ethics or post-victory guidance.

Possibility 3 — Quraysh Repent After Badr (8:38)

Only three phases completed.

Possibility 4 — Defeat at Uḥud or the Trench

At the Trench, Islam faced extinction. A defeat would end the mission, as earlier prophetic missions had ended.

Therefore, finality could not have been known beforehand.

5. The Moment Completion Became Inevitable — After the Trench (5 AH)

Only when:

a unified coalition attempted the total extermination of the Muslims,

peaceful coexistence became impossible,

survival hung by a thread,

did the moral trajectory become fixed. At the Trench, the enemy had exhausted their options. The remaining phases became morally inevitable under divine justice.

 

And it is here—in a moment of terror, siege, and internal near-collapse—that the Qur’an declares:

“Muhammad… is the Seal of the Prophets.” (33:40)

The Qur’an describes the fear:

“They came upon you from above you and from below you…”

“Eyes were transfixed and hearts reached the throats…” (33:10)

“The believers were shaken—a tremendous shaking.” (33:11)

Inside Madinah:

hypocrites sneered, “Allah and His Messenger promised us nothing but delusion!” (33:12)

a faction cried, “People of Yathrib! You cannot withstand this—turn back!” (33:13)

others sought excuses to flee (33:13).

This is the moment of the declaration.

A human author would wait for victory, stability, or safety.
No strategist would proclaim finality when survival itself seemed impossible.

Only the One who knew the outcome—because the trajectory had become incumbent upon Him—could reveal such a verse at such a time.

6. Why This Timing Proves Createdness and Divinity

6.1 — Createdness: Real-Time Revelation (Tanzīl)

If the Qur’an were predrafted eternally:

·         outcomes would be fixed,

·         moral agency would collapse,

·         accountability would vanish.

 

But the Qur’an responds to unfolding events.
It is delivered progressively, only when moral conditions arise.

Thus, its principles are eternal, but its historical utterance is temporal—revealed in real time.

6.2 — Divine Origin

Human incapacity appears in three domains:

1. Historical Impossibility

A human cannot predict:

·         battles,

·         coalitions,

·         betrayals,

·         persecutions,

·         survival,

·         or the precise moment of completion.

 

2. Moral Impossibility

A human cannot know when humanity will never again require guidance.

3. Psychological Impossibility

A self-authored scripture glorifies its author.
But the Qur’an:

·         elevates Mary above all women,

·         praises Jesus and Mary more than the Bible does,

·         names none of Muhammad’s family except his enemy Abū Lahab.

·         The Qur’an honours others; it does not flatter the Prophet.

·         No self-authored scripture behaves like this.

 

7. Why the Qur’an Is the Last Testament

The Qur’an is final because:

·         Human nature is complete—biologically and morally.

·         All five phases of revelation were fulfilled.

·         History converged contingently, not deterministically.

·         Only God could declare finality—too risky for any human.

·         Its preservation is guaranteed through a living language.

·         Its moral structure is universal and future-proof.

 

Conclusion

The declaration of the Prophet’s finality is one of the strongest proofs of the Qur’an’s divine origin.

No human could have known:

when permanent preservation in a living language became possible,

when the completion of the final three phases depended solely on God and no longer on human behaviour,

when guidance was complete,

when history aligned for universal finality,

or when humanity would never again require a prophet.

 

The Qur’an’s timing, precision, and perfect alignment with unfolding historical contingencies show that:

·         it is revealed in real time,

·         it is divine in origin,

·         and it stands as the Last Testament, suited to the completed human condition.

·         No scripture before it could be final.
No scripture after it is needed.
And no human being could have dared to declare it so.

 

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Naseer Ahmed writes on Qur’anic theology, moral philosophy, and the historical record of Islamic civilisation.

 

URL:   https://www.newageislam.com/debating-islam/human-authorship-muhammad-seal-prophets/d/137697

 

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