Surah Az-Zumar (The Successive Groups), Verse 20

لٰكِنِ الَّذِیْنَ اتَّقَوْا رَبَّهُمْ لَهُمْ غُرَفٌ مِّنْ فَوْقِهَا غُرَفٌ مَّبْنِیَّةٌ تَجْرِیْ مِنْ تَحْتِهَا الْاَنْهٰرُ وَعْدَ اللّٰهِ لَا یُخْلِفُ اللّٰهُ الْمِیْعَادَ ۟

Laakinil lazeenat taqaw Rabbahum lahum ghurafum min fawqihaa ghurafum mabniyyatun tajree min tahtihal anhaar; wa'dal laah; laa yukhliful laahul mee'aad

“But it is for those who fear their Lord. That lofty mansions, one above another, have been built: beneath them flow rivers (of delight): (such is) the Promise of Allah: never doth Allah fail in (His) promise.”

Quran 39:20 (Yusuf Ali Translation)