Surah Fatir 35:41

۞ إِنَّ ٱللَّهَ يُمْسِكُ ٱلسَّمَـٰوَٰتِ وَٱلْأَرْضَ أَن تَزُولَا ۚ وَلَئِن زَالَتَآ إِنْ أَمْسَكَهُمَا مِنْ أَحَدٍ مِّنۢ بَعْدِهِۦٓ ۚ إِنَّهُۥ كَانَ حَلِيمًا غَفُورًا

Indeed, Allāh holds the heavens and the earth, lest they cease. And if they should cease, no one could hold them [in place] after Him. Indeed, He is Forbearing and Forgiving.

Translation: Saheeh International

Tafsir

Truly God sustains the heavens and the earth lest they disappear in other words He prevents them from disappearing. And if wa-la-in the lām is for oaths they were to disappear there is none that can sustain them after Him in other words other than Him. …

Excerpt from Tafsir al-Jalalayn, commentary on 35:41, via Quran.com. The reader has the full commentary and 9 more tafsirs.