Surah Al-Anbiya' (The Prophets), Verse 32

وَجَعَلْنَا السَّمَآءَ سَقْفًا مَّحْفُوْظًا وَّهُمْ عَنْ اٰیٰتِهَا مُعْرِضُوْنَ ۟

Wa ja'alnas samaaa'a saqfam mahfoozanw wa hum 'an Aayaatihaa mu'ridoon

“And We have made the heavens as a canopy well guarded: yet do they turn away from the Signs which these things (point to)!”

Quran 21:32 (Yusuf Ali Translation)