Surah Al-Qalam, ayah 15

68:15

إِذَا تُتۡلَىٰ عَلَيۡهِ ءَايَٰتُنَا قَالَ أَسَٰطِيرُ ٱلۡأَوَّلِينَ ١٥

Idhā tutlā 'alayhi āyātunā qāla asātīrul-awwalīn

When Our verses are recited to him, he says, "Legends of the former peoples."