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