Quran 26:74 from Surah Ash-Shu'araa on Divine Marvels.
قَالُواْ بَلۡ وَجَدۡنَآ ءَابَآءَنَا كَذَٰلِكَ يَفۡعَلُونَ
English translation: They said Nay but we found our forefathers like that doing
Transliteration: qalu bal wajadna abaana kadhalika yaf 'aluna