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
suyuti:9236a –
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السيوطي:٩٢٣٦a –

"أَىْ عَمِّ قُلْ: لَا إِلَهَ إِلَّا اللَّهُ كَلِمةً أُحَاجُّ لَكَ بهَا عِنْدَ اللَّهِ".  

[خ] البخاري [م] مسلم عن ابن المسيب عن أَبيه أَن أَبا طالب لَمَّا حضرته الوفاة قال له النبى ﷺ: فذكره

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Collected by Bukhārī
bukhari:6681 – Abū al-Yamān > Shuʿayb > al-Zuhrī > Saʿīd b. al-Musayyab from his father

When the death of Abu Talib approached, Messenger of Allah ﷺ came to him and said, "Say: La ilaha illallah, a word with which I will be able to defend you before Allah."  

البخاري:٦٦٨١ – حَدَّثَنَا أَبُو الْيَمَانِ أَخْبَرَنَا شُعَيْبٌ عَنِ الزُّهْرِيِّ قَالَ أَخْبَرَنِي سَعِيدُ بْنُ الْمُسَيَّبِ عَنْ أَبِيهِ قَالَ

لَمَّا حَضَرَتْ أَبَا طَالِبٍ الْوَفَاةُ جَاءَهُ رَسُولُ اللَّهِ ﷺ فَقَالَ قُلْ لاَ إِلَهَ إِلاَّ اللَّهُ كَلِمَةً أُحَاجُّ لَكَ بِهَا عِنْدَ اللَّهِ