Qur'an 43:36
وَمَن يَعْشُ عَن ذِكْرِ ٱلرَّحْمَـٰنِ نُقَيِّضْ لَهُۥ شَيْطَـٰنًا فَهُوَ لَهُۥ قَرِينٌ
“And whoever is blinded from remembrance of the Most Merciful - We appoint for him a devil, and he is to him a companion.”
Az-Zukhruf 43:36 · Saheeh International