سُورَةُ الأَنفَالِ
Al-Anfaal·8:31
وَإِذَا تُتْلَىٰ عَلَيْهِمْ آيَاتُنَا قَالُوا قَدْ سَمِعْنَا لَوْ نَشَاءُ لَقُلْنَا مِثْلَ هَٰذَا ۙ إِنْ هَٰذَا إِلَّا أَسَاطِيرُ الْأَوَّلِينَ٣١
And whenever Our messages were conveyed to them, they would say, "We have heard [all this] before; if we wanted, we could certainly compose sayings like these [ourselves]: they are nothing but fables of ancient times!"