وَمَا تَنَزَّلَتْ بِهِ الشَّيَاطِينُ
It has not been brought down by the devils.
Agha Ali Puya Commentary
Commentary on Quran 26:210
[Pooya/Ali Commentary 26:210] Aqa Mahdi Puya says: [The Makkan pagans imagined that the devils had brought down the Quran. Such a beneficent, perfect and lofty message could never suit the purpose of the evil ones, nor would it be in their power to produce it.]