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
quran:75:2 –

And I swear by the reproaching soul ˹to the certainty of resurrection˺.  

And, nay, I swear by the (self-)reproaching soul, the one that reproaches itself, even if it should expend great effort in being virtuous (the response to the oath has been omitted, that is to say, la-tub‘athunna, ‘you shall indeed be resurrected!’, as indicated by ˹what follows˺):
القرآن:٧٥:٢ –

وَلَا أُقْسِمُ بِالنَّفْسِ اللَّوَّامَةِ  

{ولا أقسم بالنفس اللوامة} التي تلوم نفسها وإن اجتهدت في الإحسان وجواب القسم محذوف، أي لتبعثن، دل عليه: