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tirmidhi:2320Qutaybah > ʿAbd al-Ḥamīd b. Sulaymān > Abū Ḥāzim > Sahl b. Saʿd

"If the world to Allah was equal to a mosquito's wing, then He would not allow the disbeliever to have a sip of water from it."  

الترمذي:٢٣٢٠حَدَّثَنَا قُتَيْبَةُ حَدَّثَنَا عَبْدُ الْحَمِيدِ بْنُ سُلَيْمَانَ عَنْ أَبِي حَازِمٍ عَنْ سَهْلِ بْنِ سَعْدٍ قَالَ

قَالَ رَسُولُ اللَّهِ ﷺ لَوْ كَانَتِ الدُّنْيَا تَعْدِلُ عِنْدَ اللَّهِ جَنَاحَ بَعُوضَةٍ مَا سَقَى كَافِرًا مِنْهَا شَرْبَةَ مَاءٍ وَفِي الْبَابِ عَنْ أَبِي هُرَيْرَةَ  

قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ صَحِيحٌ غَرِيبٌ مِنْ هَذَا الْوَجْهِ

See similar narrations below:

Collected by Aḥmad's Zuhd, Suyūṭī
ahmad-zuhd:725ʿAbdullāh from my father > al-Walīd > al-Ḍaḥḥāk b. ʿAbd al-Raḥman b. Abū Ḥawshab > Bilāl b. Saʿd

[Machine] By Allah, Abu Darda' said, "If the world were to weigh as much as a wing of a fly in the sight of Allah, Pharaoh would not have been given a single drop of water from it."  

الزهد لأحمد:٧٢٥حَدَّثَنَا عَبْدُ اللَّهِ حَدَّثَنِي أَبِي حَدَّثَنَا الْوَلِيدُ قَالَ وَقَالَ الضَّحَّاكُ بْنُ عَبْدِ الرَّحْمَنِ بْنِ أَبِي حَوْشَبٍ سَمِعْتُ بِلَالَ بْنَ سَعْدٍ يَقُولُ قَالَ

أَبُو الدَّرْدَاءِ وَاللَّهِ لَوْ كَانَتِ الدُّنْيَا تَزِنُ عِنْدَ اللَّهِ جَنَاحَ ذُبَابَةٍ مَا سَقَى فِرْعَوْنَ مِنْهَا شَرْبَةَ مَاءٍ  

suyuti:17946a
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السيوطي:١٧٩٤٦a

"لَوْ كَانَت الدُّنْيَا تَعْدِلُ عِنْدَ اللهِ جَنَاحَ بَعُوضَةٍ مَا سَقَى كَافِرًا مِنْهَا مَاءً".  

[ت] الترمذي صحيح غريب، [طب] الطبرانى في الكبير [هب] البيهقى في شعب الإيمان [ض] ضياء المقدسي في مختاره عن سهل بن سعد، الخطيب عن ابن عمر