Quran 27:68

لَقَدْ وُعِدْنَا هَٰذَا نَحْنُ وَءَابَآؤُنَا مِن قَبْلُ إِنْ هَٰذَآ إِلَّآ أَسَٰطِيرُ ٱلْأَوَّلِينَ

We have been promised this, we and our forefathers, before. This is not but legends of the former peoples."

Translation · Saheeh International