Al-Anfal 8:31

<h2>The Quraysh claimed They can produce Something similar to the Qur'an</h2><p>Allah describes the disbelief, transgression, rebellion, as well as misguided statements that the pagans of Quraysh used to utter when they heard Allah's Ayat being recited to them,</p><p>قَدْ سَمِعْنَا لَوْ نَشَآءُ لَقُلْنَا مِثْلَ هَـذَآ</p><p>("We have heard (the Qur'an); if we wish we can say the like of this.")</p><p>They boasted with their words, but not with their actions. They were challenged several times to bring even one chapter like the Qur'an, and they had no way to meet this challenge. They only boasted in order to deceive themselves and those who followed their falsehood. It was said that An-Nadr bin Al-Harith, may Allah curse him, was the one who said this, according to Sa`id bin Jubayr, As-Suddi, Ibn Jurayj and others. An-Nadr visited Persia and learned the stories of some Persian kings, such as Rustum and Isphandiyar. When he went back to Makkah, He found that the Prophet was sent from Allah and reciting the Qur'an to the people. Whenever the Prophet would leave an audience in which An-Nadr was sitting, An-Nadr began narrating to them the stories that he learned in Persia, proclaiming afterwards, "Who, by Allah, has better tales …

And when Our revelations are recited unto them they say: We have heard. If we wish we can speak the like of this. Lo! this is naught but fables of the men of old.

When Our Signs are rehearsed to them, they say: "We have heard this (before): if we wished, we could say (words) like these: these are nothing but tales of the ancients."

And when Our Verses (of the Quran) are recited to them, they say: "We have heard this (the Quran); if we wish we can say the like of this. This is nothing but the tales of the ancients."

And when Our revelations are recited to them, they say, “We have heard. Had we wanted, we could have said the like of this; these are nothing but myths of the ancients.”