Quran Al-Furqan 25:5
وَقَالُوٓاْ أَسَٰطِيرُ ٱلۡأَوَّلِينَ ٱكۡتَتَبَهَا فَهِيَ تُمۡلَىٰ عَلَيۡهِ بُكۡرَةٗ وَأَصِيلٗا ٥
Translation
And they say, "Legends of the former peoples which he has written down, and they are dictated to him morning and afternoon."