وَأَمَّا الَّذِينَ سُعِدُوا فَفِي الْجَنَّةِ خَالِدِينَ فِيهَا مَا دَامَتِ السَّمَاوَاتُ وَالْأَرْضُ إِلَّا مَا شَاءَ رَبُّكَ عَطَاءً غَيْرَ مَجْذُوذٍ

As for the felicitous, they will be in paradise. They will remain in it for as long as the heavens and the earth endure—except what your Lord may wish—an endless bounty.