Qur'an 43:36

وَمَن يَعْشُ عَن ذِكْرِ ٱلرَّحْمَـٰنِ نُقَيِّضْ لَهُۥ شَيْطَـٰنًا فَهُوَ لَهُۥ قَرِينٌ

And he whose sight is dim to the remembrance of the Beneficent, We assign unto him a devil who becometh his comrade;