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:11:22 –

Assuredly, it is they in the Hereafter who will be the greatest losers.  

Without doubt, verily, they will be the greatest losers in the Hereafter.
القرآن:١١:٢٢ –

لَا جَرَمَ أَنَّهُمْ فِي الْآخِرَةِ هُمُ الْأَخْسَرُونَ  

{لا جَرَمَ} حقا {أنهم في الآخرة هم الأخسرون}.

See similar narrations below:

Collected by Qurʾān
quran:16:109 –

Assuredly, it is they, in the Hereafter, who will be the losers.  

Without a doubt — verily — in the Hereafter they are the ones who will be the losers, because their journey’s end shall be the Fire, in which they shall be perpetually.
القرآن:١٦:١٠٩ –

لَا جَرَمَ أَنَّهُمْ فِي الْآخِرَةِ هُمُ الْخَاسِرُونَ  

{لا جرم} حقاً {أنهم في الآخرة هم الخاسرون} لمصيرهم إلى النار المؤبدة عليهم.