وَإِنْ يَرَوْا كِسْفًا مِنَ السَّمَاءِ سَاقِطًا يَقُولُوا سَحَابٌ مَرْكُومٌ 44
Were they to see a piece of the sky falling (on them), they would (only) say: "Clouds gathered in heaps!"