Surah Az-Zukhruf, Verse 22

بَلۡ قَالُوٓاْ إِنَّا وَجَدۡنَآ ءَابَآءَنَا عَلَىٰٓ أُمَّةٖ وَإِنَّا عَلَىٰٓ ءَاثَٰرِهِم مُّهۡتَدُونَ٢٢

bal qālū innā wajadnā ābāanā ʿalā ummatin wa-innā ʿalā āthārihim muh'tadūna

Rather, they say, "Indeed, we found our fathers upon a religion, and we are in their footsteps [rightly] guided."