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.
suyuti:22296a
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السيوطي:٢٢٢٩٦a

"مَنْ عَفَا عِنْدَ قُدْرَةٍ، عَفَا اللهُ عَنْهُ يَوْمَ الْعُسْرَةِ".  

[طب] الطبرانى في الكبير عن أَبي أُمامة

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Collected by Ṭabarānī
tabarani:7585al-Ḥusayn b. Isḥāq al-Tustarī > Muḥammad b. ʿUqbah > Ḥakīm b. Khidhām > al-ʿAlāʾ b. Kathīr > Makḥūl > Abū Umāmah > Rasūl Allāh Ṣallá

[Machine] The Messenger of Allah ﷺ said, "Whoever forgives when he is able to seek revenge, Allah will forgive him on the Day of Distress."  

الطبراني:٧٥٨٥حَدَّثَنَا الْحُسَيْنُ بْنُ إِسْحَاقَ التُّسْتَرِيُّ ثنا مُحَمَّدُ بْنُ عُقْبَةَ ثنا حَكِيمُ بْنُ خِذَامٍ ثنا الْعَلَاءُ بْنُ كَثِيرٍ عَنْ مَكْحُولٍ عَنْ أَبِي أُمَامَةَ قَالَ

قَالَ رَسُولُ اللهِ ﷺ «مَنْ عَفَا عِنْدَ قُدْرَةٍ عَفَا اللهُ عَنْهُ يَوْمَ الْعُسْرَةِ»