evil companionship

وَإِخْوَٰنُهُمْ يَمُدُّونَهُمْ فِى ٱلْغَىِّ ثُمَّ لَا يُقْصِرُونَ

But their brothers - they [i.e., the devils] increase them in error; then they do not stop short.

حَتَّىٰٓ إِذَا جَآءَنَا قَالَ يَـٰلَيْتَ بَيْنِى وَبَيْنَكَ بُعْدَ ٱلْمَشْرِقَيْنِ فَبِئْسَ ٱلْقَرِينُ

Until, when he comes to Us [at Judgement], he says [to his companion], "How I wish there was between me and you the distance between the east and west; and what a wretched companion."