Sir
Very Good question
Muslims have something that offers the clearest proof of all - The Holy Quran. There is no other book like it anywhere on earth. It is absolutely perfect in the Arabic language. It has no mistakes in grammar, meanings or context. The scientific evidences are well known around the entire world, even amongst non-Muslim scholars. Predictions in the Quran have come true; and its teachings are clearly for all people, all places and all times.

Surprisingly enough, the Quran itself provides us with the test of authenticity and offers challenges against itself to prove its veracity. Allah tells us in the Quran:

Haven't the unbelievers considered if this was from other than Allah, they would find within it many contradictions?
[Noble Quran 4:82]

Another amazing challenge from Allah's Book: ...more

There are amny gr8 saints who have done this like valmiki,vedvyas and so on

I myself as a firm believer in cohesion of various religions and no differentiation on the basis of religion.Various Religions shows different ways to reach the God , and everyone have to follow or adhere to their own paths .The ultimate in this aspect is to know and understand the God .

Please explain the religion you are talking about

Only NATURE has written The Religious Book

Maharshi Vedvas,Maharshi Balmiki n Sri Ganesh.