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
hakim:3852 – ʿAbd al-Raḥman b. al-Ḥasan al-Qāḍī > Ibrāhīm b. al-Ḥusayn > Ādam b. Abū Iyās > And Rqāʾ > Ibn Abū Najīḥ > Mujāhid

[Machine] "He is the heartstring that resides in the back."  

الحاكم:٣٨٥٢ – أَخْبَرَنِي عَبْدُ الرَّحْمَنِ بْنُ الْحَسَنِ الْقَاضِي ثنا إِبْرَاهِيمُ بْنُ الْحُسَيْنِ ثنا آدَمُ بْنُ أَبِي إِيَاسٍ ثنا وَرْقَاءُ عَنِ ابْنِ أَبِي نَجِيحٍ عَنْ مُجَاهِدٍ عَنِ ابْنِ عَبَّاسٍ

فِي قَوْلِهِ ﷻ {ثُمَّ لَقَطَعْنَا مِنْهُ الْوَتِينَ} [الحاقة 46] قَالَ «هُوَ حَبْلُ الْقَلْبِ الَّذِي فِي الظَّهْرِ»  

هَذَا حَدِيثٌ صَحِيحٌ عَلَى شَرْطِ الشَّيْخَيْنِ وَلَمْ يُخَرِّجَاهُ على شرط البخاري ومسلم