Tafseer of The Announcement · An-Naba · 78:7
And the mountains as stakes?
Important: The Arabic source text is always authoritative. This translation is a study aid and has not been verified by scholars — do not use it as a basis for religious proof or for deriving rulings (ahkam). When in doubt, always consult the Arabic text and a qualified scholar.
وَالْجِبَالَ أَوْتَادًا ("and the mountains as pegs") — He says: and the mountains as pegs for the earth, so that it does not quake with you.