And indeed, the devils avert them from the way [of guidance] while they think that they are [rightly] guided
The Saheeh International Quran Translation
وَإِنَّهُمْ لَيَصُدُّونَهُمْ عَنِ ٱلسَّبِيلِ وَيَحْسَبُونَ أَنَّهُم مُّهْتَدُونَAnd indeed, the devils avert them from the way [of guidance] while they think that they are [rightly] guided