وَإِذَا قِيلَ لَهُمُ ٱتَّبِعُواْ مَآ أَنزَلَ ٱللَّهُ قَالُواْ بَلۡ نَتَّبِعُ مَآ أَلۡفَيۡنَا عَلَيۡهِ ءَابَآءَنَآۚ أَوَلَوۡ كَانَ ءَابَآؤُهُمۡ لَا يَعۡقِلُونَ شَيۡـٔٗا وَلَا يَهۡتَدُونَ

Wa izaa qeela lahumuttabi'oo maaa anzalal laahu qaaloo bal nattabi'u maaa alfainaa 'alaihi aabaaa'anaaa; awalaw kaana aabaaa'uhum laa ya'qiloona shai'anw wa laa yahtadoon

When it is said to them: "Follow what Allah hath revealed:" They say: "Nay! we shall follow the ways of our fathers." What! even though their fathers Were void of wisdom and guidance?

— Al-Baqarah (ٱلْبَقَرَة), 2:170