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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:2290 – ʿAbdullāh > Abū Maʿmar > Sayf b. Hārūn > Ḍirār > Māhān

[Machine] "If you enter a house where no one is in it, say 'Peace be upon us from our Lord.'"  

الزهد لأحمد:٢٢٩٠ – حَدَّثَنَا عَبْدُ اللَّهِ حَدَّثَنِي أَبُو مَعْمَرٍ حَدَّثَنِي سَيْفُ بْنُ هَارُونَ عَنْ ضِرَارٍ عَنْ مَاهَانَ قَالَ

«إِذَا دَخَلْتَ بَيْتًا لَيْسَ فِيهِ أَحَدٌ فَقُلِ السَّلَامُ عَلَيْنَا مِنْ رَبِّنَا»