15وَأَلقىٰ فِي الأَرضِ رَواسِيَ أَن تَميدَ بِكُم وَأَنهارًا وَسُبُلًا لَعَلَّكُم تَهتَدونَN. J. DawoodHe set firm mountains upon the earth lest it should move away with you; and rivers, roads, and landmarks, so that you may be rightly guided.