41:8
إِنَّ ٱلَّذِينَ ءَامَنُوا۟ وَعَمِلُوا۟ ٱلصَّـٰلِحَـٰتِ لَهُمْ أَجْرٌ غَيْرُ مَمْنُونٍۢ ٨
Saheeh International
Indeed, those who believe and do righteous deeds - for them is a reward uninterrupted.
Tafsir of "Ibn Kathir" (English)
Truly, those who believe and do righteous good deeds, for them will be an endless reward that will never stop.Mujahid and others said,"It will never be cut off or decrease."This is like the Ayat:مَّاكِثِينَ فِيهِ أَبَدًاThey shall abide therein for ever. (18:3)عَطَأءً غَيْرَ مَجْذُوذٍa gift without an end. (11:108