Their stay, in terms of state, is that of bliss, and in - Surah At-Taubah ayat 22 in Tafsir

﴿خَٰلِدِينَ فِيهَآ أَبَدًاۚ إِنَّ ٱللَّهَ عِندَهُۥٓ أَجۡرٌ عَظِيمٞ ﴾
[التوبَة: 22]

Their stay, in terms of state, is that of bliss, and in terms of time, is that vast; forever, and in heaven's realm does Allah have excellent rewards

﴿خالدين فيها أبدا إن الله عنده أجر عظيم﴾ [التوبَة: 22]

Dr Kamal Omar
(They become) dwellers therein for ever. Verily, Allah: with Him (is available) a great reward

Dr Laleh Bakhtiar
They are ones who will dwell in them forever, eternally. Truly, God, with Him is a sublime compensation

Dr Munir Munshey
There, they shall live for ever and ever. Of course Allah has the most awesome rewards

Edward Henry Palmer
to dwell therein for aye! Verily, God, with Him is mighty here

Farook Malik
They will live therein forever. Surely it is Allah with Whom is the mighty reward

George Sale
they shall continue therein for ever: For with God is a great reward

Maududi
Therein they shall abide forever. Surely with Allah a mighty reward awaits them