Surah Az-Zukhruf, Verse 37

وَإِنَّهُمۡ لَيَصُدُّونَهُمۡ عَنِ ٱلسَّبِيلِ وَيَحۡسَبُونَ أَنَّهُم مُّهۡتَدُونَ٣٧

wa-innahum layaṣuddūnahum ʿani l-sabīli wayaḥsabūna annahum muh'tadūna

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