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:80:7 –

And not upon you ˹is any blame˺ if he will not be purified.  

yet it is not your concern if he does not cleanse himself, ˹if he does not˺ believe.
القرآن:٨٠:٧ –

وَمَا عَلَيْكَ أَلَّا يَزَّكَّىٰ  

{وما عليك ألا يزكى} يؤمن.