Surah Hud 11:107

خَـٰلِدِينَ فِيهَا مَا دَامَتِ ٱلسَّمَـٰوَٰتُ وَٱلْأَرْضُ إِلَّا مَا شَآءَ رَبُّكَ ۚ إِنَّ رَبَّكَ فَعَّالٌ لِّمَا يُرِيدُ

[They will be] abiding therein as long as the heavens and the earth endure, except what your Lord should will. Indeed, your Lord is an effecter of what He intends.

Translation: Saheeh International

Tafsir

abiding therein for as long as the heavens and the earth endure that is for the length of the duration of both in this world except other than what your Lord may will in the way of adding to the duration of these two such that it their abiding becomes indefinite meaning that they will abide therein forever. …

Excerpt from Tafsir al-Jalalayn, commentary on 11:107, via Quran.com. The reader has the full commentary and 9 more tafsirs.