The revelation of the Book is from Allah, the Mighty, the Wise.
45:3
Most surely in the heavens and the earth there are signs for the believers.
45:4
And in your (own) creation and in what He spreads abroad of animals there are signs for a people that are sure;
45:5
And (in) the variation of the night and the day, and (in) what Allah sends down of sustenance from the cloud, then gives life thereby to the earth after its death, and (in) the changing of the winds, there are signs for a people who understand.