(But we follow what we found our fathers upon) meaning: the worship of idols. (Even if Satan is inviting them to the punishment of the Blaze?) meaning: would they follow what they found their fathers upon, even if Satan were inviting them to the punishment of the Blaze? Meaning: they have indeed done so.
﴿بَلْ نَتَّبِعُ مَا وَجَدْنَا عَلَيْهِ آبَاءَنَا﴾ يعنون: عبَادَة الْأَوْثَان ﴿أَو لَو كَانَ الشَّيْطَانُ يَدْعُوهُمْ إِلَى عَذَابِ السعير﴾ أَيْ: أَيَتَّبِعُونَ مَا وَجَدُوا عَلَيْهِ آبَاءَهُمْ، وَلَوْ كَانَ الشَّيْطَانُ يَدْعُوهُمْ إِلَى عَذَابِ السَّعِيرِ؛ أَيْ: قَدْ فعلوا.
