The Quran is not a religious book in the limited sense of the term. It is a Book that tells people about the creation plan of God, and the scheme of things of the One who has created the entire Universe. This is not a matter of religion alone. For example, the Quran has a verse:
Surely, with every hardship there is ease. (Quran 94:6)
This means that if a problem befalls one, one should not get hassled; rather one should do peaceful planning. Nations like Germany, for example, could enjoy success because they planned on the basis of what remained with them and not on what they had lost. Similarly,
the Prophet Muhammad had lost Makkah, but gained Madinah – so he planned on the basis of Madinah and not on the basis of Makkah.
The Quran is not a book of jurisprudence or a book of dos and don’ts about rituals. The Quran informs people about the laws of nature. It is not a book of Muslims, it is a Book of God. So, it becomes imperative that it be taken to all mankind.