They will say: “Praise be to Allah, Who has truly fulfilled His Promise to us, and has given us (this) land in heritage: We can dwell in the Garden as we will: how excellent a reward for those who work (righteousness) !”
Meaning:-
Heritage: something reserved for one:
Dwell: live in or at a specified place.
Righteous: (of a person or conduct) morally right or justifiable; virtuous, very good; excellent.