﴿ وَإِنَّهُمْ لَيَصُدُّونَهُمْ عَنِ ٱلسَّبِيلِ وَيَحْسَبُونَ أَنَّهُم مُّهْتَدُونَ ﴾

“whereupon, behold, these [evil impulses] bar all such from the path [of truth], making them think that they are guided aright!”

(And lo! They) i.e. the devils (surely turn them from the way of Allah) from the Truth and guidance, (and yet they deem that they are rightly guided) to the Truth and guidance;