The Quran

وَإِذا قيلَ لَهُمُ اتَّبِعوا ما أَنزَلَ اللَّهُ قالوا بَل نَتَّبِعُ ما وَجَدنا عَلَيهِ آباءَنا ۚ أَوَلَو كانَ الشَّيطانُ يَدعوهُم إِلىٰ عَذابِ السَّعيرِ

Muhammad Asad

and when such [people] are told to follow that which God has bestowed from on high, they answer, "Nay, we shall follow that which we found our forefathers believing in and doing!" Why - [would you follow your forefathers] even if Satan had invited them unto the suffering of the blazing flame?¹

Regarding the implications of the term "Satan" in this context, see note 10 on 2:14 and note 16 on 15:17. As in many other places in the Qur'an, the above verse expresses an oblique condemnation of the principle and practice of taqlid (see Razi's observations quoted in note 38 on 26:74).