This means that the universe is singing the praises of God; that the reality which is revealed in the Quran, is testified to by the entire universe. In its silent language, it confirms this to the extent of singing praises. Notwithstanding this two-fold declaration those who do not become believers, shall have to wait for the third announcement, when people will be gathered before God, so that they may hear the decision about themselves directly from the Lord of Universe.