Quran 27:68 from Surah An-Naml on Divine Marvels.
لَقَدۡ وُعِدۡنَا هَٰذَا نَحۡنُ وَءَابَآؤُنَا مِن قَبۡلُ إِنۡ هَٰذَآ إِلَّآ أَسَٰطِيرُ ٱلۡأَوَّلِينَ
English translation: Certainly we have been promised this we and our forefathers before before Not (is) this except tales (of) the former (people)
Transliteration: laqad wu'id'na hadha nahnu waabauna min qablu in hadha illa asatiru al-awalina