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
ahmad-zuhd:2152 – ʿAbdullāh from my father > Isḥāq al-Azraq > Sharīk > al-Aʿmash > ʿAbd al-Raḥman b. Maʿqil

[Machine] From some of the companions of the Prophet ﷺ, it is narrated that he said: "The mosque is a strong fortress against Satan."  

الزهد لأحمد:٢١٥٢ – حَدَّثَنَا عَبْدُ اللَّهِ حَدَّثَنِي أَبِي حَدَّثَنَا إِسْحَاقُ الْأَزْرَقُ عَنْ شَرِيكٍ عَنِ الْأَعْمَشِ عَنْ عَبْدِ الرَّحْمَنِ بْنِ مَعْقِلٍ

عَنْ بَعْضِ أَصْحَابِ النَّبِيِّ ﷺ أَنَّهُ قَالَ «الْمَسْجِدُ حِصْنٌ مِنَ الشَّيْطَانِ شَدِيدٌ»