Jami` at-Tirmidhi, Volume 4, Book 36, Hadith 2532 (DarusSalam) ⓘ
Abu Sa'eed narrated that the Prophet said: "Indeed there are a hundred levels in Paradise, if all of the People of Paradise were to be gathered in one of them, it would have sufficed them."
حَدَّثَنَا قُتَيْبَةُ، حَدَّثَنَا ابْنُ لَهِيعَةَ، عَنْ دَرَّاجٍ أَبِي السَّمْحِ، عَنْ أَبِي الْهَيْثَمِ، عَنْ أَبِي سَعِيدٍ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " إِنَّ فِي الْجَنَّةِ مِائَةَ دَرَجَةٍ لَوْ أَنَّ الْعَالَمِينَ اجْتَمَعُوا فِي إِحْدَاهُنَّ لَوَسِعَتْهُمْ " . قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ غَرِيبٌ .
also referenced under: Hadith 2532 (Reference) & Book 38, Hadith 2725 (In-Book)