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:88:24 –

Then Allah will punish him with the greatest punishment.  

God will chastise him with the greater chastisement, the chastisement of the Hereafter, the lesser chastisement being that of this world, that of being killed or taken captive.
القرآن:٨٨:٢٤ –

فَيُعَذِّبُهُ اللَّهُ الْعَذَابَ الْأَكْبَرَ  

{فيعَذِّبه الله العذاب الأكبر} عذاب الآخرة والأصغر عذاب الدنيا بالقتل والأسر.