The true nature of a miracle is this: A miracle refers to an extraordinary phenomenon the like of which an opposing party is unable to produce although superficially it may appear to be well within human capabilities, just like the miracle of the Holy Quran which was presented before all the denizens of the land of Arabia. Thus, although superficially it seemed entirely within human capacity, the entire population of Arabia was frustrated in their efforts to produce its like. Therefore, to understand the essence of a miracle, the text of the Holy Quran is a shining example. It may appear, at a cursory glance, to be a literary composition just as human literature is. However, with respect to its eloquent expression; with respect to its exceptionally delectable, pure, and florid diction, everywhere meticulously adhering to truth and wisdom; moreover, with respect to its brilliant arguments which triumph over the entire world’s opposing arguments; and, even further, with respect to its compelling prophecies—it is such a matchless miracle that despite the passage of thirteen hundred years, no adversary has been able to challenge it to this day, nor does anyone have the ability to do so. Of all the books in the world, the Holy Quran holds the distinction of expressing miraculous prophecies in passages that are themselves miraculous—being full of truth and wisdom—with the highest degree of fluency and eloquence.
In short, the primary and principal purpose of miracle is to demonstrate the difference between right and wrong or true and false Such a distinguishing phenomenon is called a miracle of, in other words, a Sign. A Sign is such a vital matter that without it, it is not possible to fully believe even in the existence of God Almighty, nor is it possible to reap the fruit that can be attained with full certainty. I is therefore evident that the fundamental truth of a religion is linked to the knowledge of the existence of God Almighty.