Surah Al-Qalam, Verse 15
إِذَا تُتْلَىٰ عَلَيْهِ ءَايَٰتُنَا قَالَ أَسَٰطِيرُ ٱلْأَوَّلِينَ
Translation — Sahih International
When Our verses are recited to him, he says, "Legends of the former peoples."
Source
Kur'an-ı Kerim, Kalem Suresi 68:15
https://kuran.diyanet.gov.tr/mushaf/kuran-meal-2/68-suresi-15-ayet