Qur'an 43:37 · Az-Zukhruf

وَإِنَّهُمْ لَيَصُدُّونَهُمْ عَنِ ٱلسَّبِيلِ وَيَحْسَبُونَ أَنَّهُم مُّهْتَدُونَ

(37) And indeed, they [i.e., the devils] avert them from the way [of guidance] while they think that they are [rightly] guided