31وَجَعَلنا فِي الأَرضِ رَواسِيَ أَن تَميدَ بِهِم وَجَعَلنا فيها فِجاجًا سُبُلًا لَعَلَّهُم يَهتَدونَ(Saheeh International)And We placed within the earth firmly set mountains, lest it should shift with them, and We made therein [mountain] passes [as] roads that they might be guided.