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:30:44 –

Whoever disbelieves - upon him is ˹the consequence of˺ his disbelief. And whoever does righteousness - they are for themselves preparing,  

Whoever disbelieves, ˹the consequence of˺ his disbelief shall upon him, that is, the evil consequences of his disbelief, which will be ˹his being punished in˺ the Fire, and those who act righteously, they will be paving the way for ˹the salvation of˺ their own souls, preparing their places in Paradise,
القرآن:٣٠:٤٤ –

مَنْ كَفَرَ فَعَلَيْهِ كُفْرُهُ ۖ وَمَنْ عَمِلَ صَالِحًا فَلِأَنْفُسِهِمْ يَمْهَدُونَ  

{من كفر فعليه كفره} وبال كفره وهو النار {ومن عمل صالحاً فلأنفسهم يمهدون} يوطئون منازلهم في الجنة.