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:100:10 –

And that within the breasts is obtained,  

and that which is in the breasts, the hearts, of disbelief or faith, is obtained, ˹when˺ it is revealed and examined,
القرآن:١٠٠:١٠ –

وَحُصِّلَ مَا فِي الصُّدُورِ  

{وحصِّل} بين وأفرز {ما في الصدور} القلوب من الكفر والإيمان.

See similar narrations below:

Collected by Qurʾān
quran:77:13 –

For the Day of Judgement.  

For the Day of Decision, for creatures (from this one may infer the response to ˹the clauses beginning with˺ idhā, ‘when’, in other words, ‘˹when …˺, the decision will be made for ˹all˺ creatures’).
القرآن:٧٧:١٣ –

لِيَوْمِ الْفَصْلِ  

{ليوم الفصل} بين الخلق ويؤخذ منه جواب إذا، أي وقع الفصل بين الخلائق.