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:25059a
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السيوطي:٢٥٠٥٩a

"لَا تَعْجَبُوا بِعَمَلِ عَامِلٍ حَتَّى تَنْظُرُوا بمَا يُخْتَمُ لَهُ".  

[طب] الطبرانى في الكبير وابن النجار عن أبي أمامة

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Collected by Ṭabarānī
tabarani:8025Muḥammad b. Khālid al-Rāsibī > ʿAbd al-Wāḥid b. Ghiyāth > Faḍāl b. Jubayr > Abū Umāmah

[Machine] The Messenger of Allah ﷺ said, "Do not admire the act of a doer until you see what the outcome will be for him."  

الطبراني:٨٠٢٥حَدَّثَنَا مُحَمَّدُ بْنُ خَالِدٍ الرَّاسِبِيُّ ثنا عَبْدُ الْوَاحِدِ بْنُ غِيَاثٍ ثنا فَضَالُ بْنُ جُبَيْرٍ ثنا أَبُو أُمَامَةَ قَالَ

قَالَ رَسُولُ اللهِ ﷺ «لَا تَعْجَبُوا بِعَمَلِ عَامَلٍ حَتَّى تَنْظُرُوا بِمَا يُخْتَمُ لَهُ»