Quran

 50:6

أَفَلَمْ يَنْظُرُوا إِلَى السَّمَاءِ فَوْقَهُمْ كَيْفَ بَنَيْنَاهَا وَزَيَّنَّاهَا وَمَا لَهَا مِنْ فُرُوجٍ ﴿٦﴾

6. Have they not observed the sky above them: how We constructed it and decorated it, and it has no cracks?