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
tabarani:12546 – al-Ḥusayn b. Isḥāq al-Tustarī > Ḥarmalah b. Yaḥyá > Ibn Wahb > ʿAmr b. Qays > ʿAmr b. Dīnār > Saʿīd b. Jubayr > Ibn ʿAbbās

[Machine] Gabriel, ﷺ , used to descend upon the Messenger of Allah, ﷺ , revealing to him the divine revelation. And when he said, "In the name of Allah, the Most Gracious, the Most Merciful," he began another chapter.  

الطبراني:١٢٥٤٦ – حَدَّثَنَا الْحُسَيْنُ بْنُ إِسْحَاقَ التُّسْتَرِيُّ ثنا حَرْمَلَةُ بْنُ يَحْيَى ثنا ابْنُ وَهْبٍ عَنْ عَمْرِو بْنِ قَيْسٍ عَنْ عَمْرِو بْنِ دِينَارٍ عَنْ سَعِيدِ بْنِ جُبَيْرٍ عَنِ ابْنِ عَبَّاسٍ قَالَ

كَانَ جِبْرِيلُ عَلَيْهِ السَّلَامُ يُنَزِّلُ عَلَى رَسُولِ اللهِ ﷺ الْوَحْيَ فَإِذَا قَالَ بِسْمِ اللهِ الرَّحْمَنِ الرَّحِيمِ افْتَتَحَ سُورَةً أُخْرَى  

See similar narrations below:

Collected by Ḥākim
hakim:4218 – Abū Jaʿfar Muḥammad b. ʿAlī al-Shaybānī Bi-al-Kūfah > Aḥmad b. Ḥāzim al-Ghifārī > ʿAlī b. Ḥakīm > Muʿtamir b. Sulaymān > Muthanná b. al-Ṣabbāḥ > ʿAmr b. Dīnār > Saʿīd b. Jubayr > Ibn ʿAbbās

[Machine] Indeed, the Prophet ﷺ used to say "Bismillah ar-Rahman ar-Rahim" (In the name of Allah, the Most Gracious, the Most Merciful) when Jibril (Gabriel) ﷺ revealed to him a surah.  

الحاكم:٤٢١٨ – أَخْبَرَنَا أَبُو جَعْفَرٍ مُحَمَّدُ بْنُ عَلِيٍّ الشَّيْبَانِيُّ بِالْكُوفَةِ ثنا أَحْمَدُ بْنُ حَازِمٍ الْغِفَارِيُّ ثنا عَلِيُّ بْنُ حَكِيمٍ ثنا مُعْتَمِرُ بْنُ سُلَيْمَانَ عَنْ مُثَنَّى بْنِ الصَّبَّاحِ عَنْ عَمْرِو بْنِ دِينَارٍ عَنْ سَعِيدِ بْنِ جُبَيْرٍ عَنِ ابْنِ عَبَّاسٍ قَالَ

إِنَّ النَّبِيَّ ﷺ كَانَ إِذَا نَزَلَ جِبْرِيلُ عَلَيْهِ السَّلَامُ فَقَالَ بِسْمِ اللَّهِ الرَّحْمَنِ الرَّحِيمِ عَلِمَ أَنَّهَا سُورَةٌ  

«هَذَا حَدِيثٌ صَحِيحُ الْإِسْنَادِ وَلَمْ يُخَرِّجَاهُ» عقب تصحيح الحاكم للحديث لا