Qur'ān 52:44 · At-Tur (الطور)
وَإِن يَرَوْا۟ كِسْفًۭا مِّنَ ٱلسَّمَآءِ سَاقِطًۭا يَقُولُوا۟ سَحَابٌۭ مَّرْكُومٌۭ
And if they were to see a fragment from the sky falling, they would say, "[It is merely] clouds heaped up."
وَإِن يَرَوْا۟ كِسْفًۭا مِّنَ ٱلسَّمَآءِ سَاقِطًۭا يَقُولُوا۟ سَحَابٌۭ مَّرْكُومٌۭ
And if they were to see a fragment from the sky falling, they would say, "[It is merely] clouds heaped up."