Rejection of the Quran by disbelievers

وَقَالُوٓا۟ أَسَـٰطِيرُ ٱلْأَوَّلِينَ ٱكْتَتَبَهَا فَهِىَ تُمْلَىٰ عَلَيْهِ بُكْرَةً وَأَصِيلًا

And they say, "Legends of the former peoples which he has written down, and they are dictated to him morning and afternoon."