لَّهُمْ فِيهَا مَا يَشَآءُونَ خَٰلِدِينَ ۚ كَانَ عَلَىٰ رَبِّكَ وَعْدًا مَّسْـُٔولًا
They shall have therein what they desire abiding (in it); it is a promise which it is proper to be prayed for from your Lord.