Surah Maryam 19:61

جَنَّـٰتِ عَدْنٍ ٱلَّتِى وَعَدَ ٱلرَّحْمَـٰنُ عِبَادَهُۥ بِٱلْغَيْبِ ۚ إِنَّهُۥ كَانَ وَعْدُهُۥ مَأْتِيًّا

[Therein are] gardens of perpetual residence which the Most Merciful has promised His servants in the unseen. Indeed, His promise has ever been eminent.

Translation: Saheeh International

Tafsir

they shall enter Gardens of Eden as a place of residence jannāti ‘Adnin substitutes for al-janna ‘Paradise’ which the Compassionate One has promised to His servants a promise in the Unseen bi’l-ghaybi a circumstantial qualifier in other words a promise made while they do not see it. …

Excerpt from Tafsir al-Jalalayn, commentary on 19:61, via Quran.com. The reader has the full commentary and 9 more tafsirs.