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
muslim:2752b – Yaḥyá b. Ayyūb And Qutaybah And Ibn Ḥujr > Ismāʿīl Yaʿnūn Ibn Jaʿfar > al-ʿAlāʾ from his father > Abū Hurayrah

Allah created one hundred (parts of mercy) and He distributed one amongst His creation and kept this one hundred excepting one with Himself (for the Day of Resurrection).  

مسلم:٢٧٥٢b – حَدَّثَنَا يَحْيَى بْنُ أَيُّوبَ وَقُتَيْبَةُ وَابْنُ حُجْرٍ قَالُوا حَدَّثَنَا إِسْمَاعِيلُ يَعْنُونَ ابْنَ جَعْفَرٍ عَنِ الْعَلاَءِ عَنْ أَبِيهِ عَنْ أَبِي هُرَيْرَةَ

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ خَلَقَ اللَّهُ مِائَةَ رَحْمَةٍ فَوَضَعَ وَاحِدَةً بَيْنَ خَلْقِهِ وَخَبَأَ عِنْدَهُ مِائَةً إِلاَّ وَاحِدَةً  

See similar narrations below:

Collected by Suyūṭī
suyuti:13741a –
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السيوطي:١٣٧٤١a –

"خَلَقَ اللَّه مِائَةَ رَحْمَة، فَوَضَعَ رَحْمةً واحِدةً بيْنَ خَلْقِهِ يتَراحمُونَ بِهَا، وخَبَّأَ عِنْدهُ مِائَةً إِلَّا واحِدةً".  

[م] مسلم [ت] الترمذي عن أَبى هريرة