وَإِذا قيلَ لَهُمُ اتَّبِعوا ما أَنزَلَ اللَّهُ قالوا بَل نَتَّبِعُ ما أَلفَينا عَلَيهِ آباءَنا ۗ أَوَلَو كانَ آباؤُهُم لا يَعقِلونَ شَيئًا وَلا يَهتَدونَ

And when it is said to them, "Follow what Allah has revealed," they say, "Rather, we will follow that which we found our fathers doing." Even though their fathers understood nothing, nor were they guided?