To make the Heart Tender (Ar-Riqaq)
Ṣaḥīḥ al-Bukhārī 6586
يَرِدُ عَلَى الْحَوْضِ رِجَالٌ مِنْ أَصْحَابِي فَيُحَلَّئُونَ عَنْهُ فَأَقُولُ يَا رَبِّ أَصْحَابِي. فَيَقُولُ إِنَّكَ لاَ عِلْمَ لَكَ بِمَا أَحْدَثُوا بَعْدَكَ، إِنَّهُمُ ارْتَدُّوا عَلَى أَدْبَارِهِمُ الْقَهْقَرَى
yaridu ʿalā al-ḥawḍi rijālun min aṣḥābī fayuḥallaʾūna ʿanhu fa-aqūlu yā rabbi aṣḥābī. fayaqūlu innaka lā ʿilma laka bimā aḥdathūā baʿdaka, innahumu ārtaddūā ʿalā adbārihimu al-qahqarā
Transliteration generated from the Arabic vowel marks
The full narration
Narrated Ibn Al-Musaiyab:The companions of the Prophet (ﷺ) said, "Some men from my companions will come to my Lake-Fount and they will be driven away from it, and I will say, 'O Lord, my companions!' It will be said, 'You have no knowledge of what they innovated after you left: they turned apostate as renegades (reverted from Islam)
Source
Ṣaḥīḥ al-Bukhārī · 6586