21. Al-Anbiya (The Prophets)

Surah: 21   Aya: 32

32. WajaAAalna alssamaa saqfan mahfoothan wahum AAan ayatiha muAAridoona
  

  Translation

32. And We have made the heaven a roof, safe and well guarded. Yet they turn away from its signs (i.e. sun, moon, winds, clouds, etc.).