Day and Night

1) From Verse No.36 (Yâ-Sîn : Ya-Sin)
In the Name of Allah, the Most Beneficent, the Most Merciful
(36:37) A token unto them is night. We strip it of the day, and lo! they are in darkness.
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2) From Verse No.25 (Al-Furqân : The Statue Book)
In the Name of Allah, the Most Beneficent, the Most Merciful
(25:62) And He it is Who hath appointed night and day in succession, for him who desireth to remember, or desireth thankfulness.
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3) From Verse No.17 (Al-Isrâ : Children of Isreal)
In the Name of Allah, the Most Beneficent, the Most Merciful
(17:12) And we appoint the night and the day two portents. Then We make dark the portent of the night, and We make the portent of the day sight giving, that ye may seek bounty from your Lord, and that ye may know the computation of the years, and the reckoning; and everything have We expounded with a clear expounding.