Surah Al-A'raf 7:171
۞ وَإِذْ نَتَقْنَا ٱلْجَبَلَ فَوْقَهُمْ كَأَنَّهُۥ ظُلَّةٌ وَظَنُّوٓا۟ أَنَّهُۥ وَاقِعٌۢ بِهِمْ خُذُوا۟ مَآ ءَاتَيْنَـٰكُم بِقُوَّةٍ وَٱذْكُرُوا۟ مَا فِيهِ لَعَلَّكُمْ تَتَّقُونَ
And [mention] when We raised the mountain above them as if it was a dark cloud and they were certain that it would fall upon them, [and Allāh said], "Take what We have given you with determination and remember what is in it that you might fear Allāh."
Translation: Saheeh International
Tafsir
And mention when We wrenched the mountain above them We lifted it up unearthing it from its root as if it were a canopy and they thought they were certain that it was about to fall upon them because of God’s threat to them that it would fall upon them if they refused to accept the rulings contained in the Torah they …
Excerpt from Tafsir al-Jalalayn, commentary on 7:171, via Quran.com. The reader has the full commentary and 9 more tafsirs.