Mishkat al-Masabih · Book 9 · Hadith 2354
عَنْ أَبِي هُرَيْرَةَ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: " إِنَّ اللَّهَ عَزَّ وَجَلَّ لَيَرْفَعُ الدَّرَجَةَ لِلْعَبْدِ الصَّالِحِ فِي الْجَنَّةِ فَيَقُولُ: يَا رَبِّ أَنَّى لِي هَذِهِ؟ فَيَقُولُ: باستغفار ولدك لَك ". رَوَاهُ أَحْمد
Abu Huraira reported God’s messenger as saying, “God who is great and glorious will raise a righteous servant’s degree in paradise, and when he asks his Lord how this has been granted him, He will reply that it is becaus…