Quranic inimitability (I'jaz al-Quran)

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."

طسٓمٓ

Ṭā, Seen, Meem.

قُلْ فَأْتُوا۟ بِكِتَـٰبٍ مِّنْ عِندِ ٱللَّهِ هُوَ أَهْدَىٰ مِنْهُمَآ أَتَّبِعْهُ إِن كُنتُمْ صَـٰدِقِينَ

Say, "Then bring a scripture from Allāh which is more guiding than either of them that I may follow it, if you should be truthful."