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:3:56 –

And as for those who disbelieved, I will punish them with a severe punishment in this world and the Hereafter, and they will have no helpers."  

As for the disbelievers, I will chastise them with a terrible chastisement in this world, through being killed, taken captive and made to pay the jizya, and the Hereafter, in the Fire; they shall have no helpers, none to protect them from it.
القرآن:٣:٥٦ –

فَأَمَّا الَّذِينَ كَفَرُوا فَأُعَذِّبُهُمْ عَذَابًا شَدِيدًا فِي الدُّنْيَا وَالْآخِرَةِ وَمَا لَهُمْ مِنْ نَاصِرِينَ  

{فأما الذين كفروا فأعذبهم عذابا شديدا في الدنيا} بالقتل والسبي والجزية {والآخرة} بالنار {وما لهم من ناصرين} مانعين منه.