Quran Az-Zukhruf 43:22
بَلۡ قَالُوٓاْ إِنَّا وَجَدۡنَآ ءَابَآءَنَا عَلَىٰٓ أُمَّةٖ وَإِنَّا عَلَىٰٓ ءَاثَٰرِهِم مُّهۡتَدُونَ
Translation
Rather, they say, "Indeed, we found our fathers upon a religion, and we are in their footsteps [rightly] guided."