وَاَلۡقٰي فِي الۡاَرۡضِ رَوَاسِيَ اَنۡ تَمِيۡدَ بِكُمۡ وَاَنۡهٰرًا وَّسُبُلًا لَّعَلَّكُمۡ تَهۡتَدُوۡنَۙ‏

And He has cast into the earth firmly set mountains, lest it shift with you, and [made] rivers and roads, that you may be guided