The Quran reveals the secrets of the universe.

The Quran reveals the secrets of the universe in a simple way. It presents the complex matters In a way that is easy for all the people to understand so that they can perceive its purposes through its cosmic dimensions. It draws the human attention to the manifestations of the universe and its facts to reflect on the creation of the heavens and the earth, each according to his capacity. 

Thus, the Quran is a speech to all people despite their cultural, linguistic and ethnic differences. It is a miracle. Hence, the Quran was the interpreting Book of the World.