﴿ وَهُوَ ٱلَّذِى يُحْىِۦ وَيُمِيتُ وَلَهُ ٱخْتِلَٰفُ ٱلَّيْلِ وَٱلنَّهَارِ ۚ أَفَلَا تَعْقِلُونَ ﴾

“And He it is who grants life and deals death; and to Him is due the alternation of night and day. Will you not, then, use your reason?”

Please check ayah 23:83 for complete tafsir.