It is one thing to say the Qur'an claims to be from God; it is another to ask why anyone should believe that claim. Muslims do not accept the Qur'an as God's word by blind inheritance alone. They point to a set of reasons, evidences open to anyone willing to examine them. This chapter gathers the most important of them.
1. It Came Through an Unlettered Man
The Prophet Muhammad ﷺ could neither read nor write. He had no library, no teachers of scripture, and no history of composing poetry, the prized art of his people. Then, at forty, he began to recite a book of such depth and eloquence that it silenced the greatest poets of Arabia. The Qur'an points to this very fact as evidence:
"And thou wast not (able) to recite a Book before this (Book came), nor art thou (able) to transcribe it with thy right hand: In that case, indeed, would the talkers of vanities have doubted."
(Surah Al-'Ankabut, 29:48)
2. The Challenge That Was Never Met
The Qur'an stakes its own truth on a falsifiable challenge: if it is the work of a human being, then let human beings produce something like it, even a single chapter.
"And if ye are in doubt as to what We have revealed from time to time to Our servant, then produce a Sura like thereunto; and call your witnesses or helpers (If there are any) besides Allah, if your (doubts) are true."
(Surah Al-Baqarah, 2:23)
The masters of Arabic in the Prophet's own time, motivated by every kind of hostility, never produced that matching chapter. Fourteen centuries later, the challenge still stands open. For Muslims, a challenge issued so boldly, and never met, is not the behaviour of a human forgery.
3. Its Preservation Is Unmatched
The Qur'an has been preserved letter-for-letter since the day it was revealed, written by scribes and memorised in full by countless people in every generation, across every continent. God promised this preservation directly:
"We have, without doubt, sent down the Message; and We will assuredly guard it (from corruption)."
(Surah Al-Hijr, 15:9)
That a text of such age exists today in a single, universally agreed form, reproducible from the memories of millions alone, is, to Muslims, a fulfilled promise.
4. It Contains No Contradiction
The Qur'an was revealed piece by piece over twenty-three years, amid war, migration, triumph, and loss. A human author writing under such shifting conditions would inevitably contradict himself. The Qur'an invites the reader to test it against exactly this standard:
"Do they not consider the Qur'an (with care)? Had it been from other Than Allah, they would surely have found therein Much discrepancy."
(Surah An-Nisa, 4:82)
5. It Foretold Events Yet to Come
The Qur'an contains prophecies that were later fulfilled. Among the most cited is its prediction that the defeated Romans (Byzantines) would, against all expectation, be victorious again within a few years, revealed at a time when their defeat seemed final:
"The Roman Empire has been defeated- In a land close by; but they, (even) after (this) defeat of theirs, will soon be victorious- Within a few years. With Allah is the Decision, in the past and in the Future: on that Day shall the Believers rejoice-"
(Surah Ar-Rum, 30:2–4)
They did. Ibn Kathir opens his commentary on these verses with the defeat that occasioned them, Heraclius driven back to Constantinople and besieged there, and closes it with the reversal, that rule then returned to Heraclius. He gathers the narrations of Ibn 'Abbas, Ibn Mas'ud and al-Bara' on how the term was set, how it was extended when it ran out, and how word arrived of the Romans' victory over the Persians while it still stood. (Tafsir Ibn Kathir, ed. Sami b. Muhammad Salamah, Dar Tayyibah, vol. 6, pp. 297–298)
6. It Describes Signs in Creation
The Qur'an repeatedly draws the reader's attention to the natural world, the origin of the universe, the mountains, the seas, the stages of human development, describing them as āyāt, "signs," pointing to their Creator. For Muslims, that a 7th-century book, delivered by an unlettered man, speaks of these things without the errors of the myths of its age is itself a sign worth reflecting upon. (These are explored in the following chapters of this guide.)
"Soon will We show them our Signs in the (furthest) regions (of the earth), and in their own souls, until it becomes manifest to them that this is the Truth. Is it not enough that thy Lord doth witness all things?"
(Surah Fussilat, 41:53)
7. Its Effect on the Heart
Beyond argument, Muslims speak of something harder to measure: the effect of the Qur'an on the one who reads it sincerely, a sense of being addressed, comforted, and known. The Qur'an describes this response in those who encounter the truth:
"And when they listen to the revelation received by the Messenger, thou wilt see their eyes overflowing with tears, for they recognise the truth: they pray: "Our Lord! we believe; write us down among the witnesses."
(Surah Al-Ma'idah, 5:83)
Sources Used
- The Qur'an: 29:48, 2:23, 15:9, 4:82, 30:2–4, 41:53 and 5:83. Quotations are from the translation of Abdullah Yusuf Ali on quran.com.
- Tafsir Ibn Kathir (ed. Sami b. Muhammad Salamah, Dar Tayyibah), vol. 6, pp. 297–298, on Surah Ar-Rum 30:2–4.