Tafseer Ibn Kathir of AT TAUBAH [89]

أَعَدَّ اللّهُ لَهُمْ جَنَّاتٍ تَجْرِي مِن تَحْتِهَا الأَنْهَارُ خَالِدِينَ فِيهَا ذَلِكَ الْفَوْزُ الْعَظِيمُ

Allah has prepared for them gardens beneath which rivers flow, wherein they will abide eternally. That is the great attainment.