Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
quran:43:36 –

And whoever is blinded from remembrance of the Most Merciful - We appoint for him a devil, and he is to him a companion.  

And whoever withdraws from, ˹whoever˺ is oblivious, to the Remembrance of the Compassionate One, namely, the Qur’ān, We assign, We produce, for him a devil and he becomes his companion, never leaving his side.
القرآن:٤٣:٣٦ –

وَمَنْ يَعْشُ عَنْ ذِكْرِ الرَّحْمَٰنِ نُقَيِّضْ لَهُ شَيْطَانًا فَهُوَ لَهُ قَرِينٌ  

{ومن يعش} يعرض {عن ذكر الرحمن} أي القرآن {نقيض} نسبب {له شيطاناً فهو له قرين} لا يفارقه.