The Book of Repentance
Ṣaḥīḥ Muslim 2753a
Say this
إِنَّ لِلَّهِ مِائَةَ رَحْمَةٍ فَمِنْهَا رَحْمَةٌ بِهَا يَتَرَاحَمُ الْخَلْقُ بَيْنَهُمْ وَتِسْعَةٌ وَتِسْعُونَ لِيَوْمِ الْقِيَامَةِ
inna lillāh māʾaha raḥmatin faminhā raḥmatun bihā yatarāḥamu al-khalqu baynahum watisʿatun watisʿūna liyawmi al-qiyāmah
Transliteration generated from the Arabic vowel marks
The full narration
Salman Farisi reported Allah's Messenger (ﷺ) as saying:Verily, there are one hundred (parts of) mercy for Allah, and it is one part of this mercy by virtue of which there is mutual love between the people and ninety-nine reserved for the Day of Resurrection
Source
Ṣaḥīḥ Muslim · 2753a
Ṣaḥīḥ