Salman Al-Farisi reported: The Messenger of Allah, peace and blessings be upon him, said, “Verily, Allah has one hundred portions of mercy. From one portion the creation has been given mercy between themselves and ninety nine portions are reserved for the Day of Resurrection.”

Source: Sahih Muslim 2753

Grade: Sahih (authentic) according to Muslim

عَنْ سَلْمَانَ الْفَارِسِيِّ قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم إِنَّ لِلَّهِ مِائَةَ رَحْمَةٍ فَمِنْهَا رَحْمَةٌ بِهَا يَتَرَاحَمُ الْخَلْقُ بَيْنَهُمْ وَتِسْعَةٌ وَتِسْعُونَ لِيَوْمِ الْقِيَامَةِ

2753 صحيح مسلم كِتَاب التَّوْبَةِ إن لله مائة رحمة أنزل منها رحمة واحدة بين الجن والإنس والبهائم والهوام