@Elmud,
Why does this topic keep coming up? Because humans have always had an interest in seeing the future, only now what would have been called "prophecy" in ancient times would be called "futurism" or (at its most literary) "sci-fi". But this only concerns
one branch of prophecy, namely seeing into the future.
The other branch is
communion with God. Futurists and (most) sci-fi writers (except Phillip Dick, who claimed such a theophany) can claim no such communion; this sort of state of being was what the Bible considered the prophets as being--in fact, I would argue that Biblical prophets and Indian gurus are not so different; not only that, but since this kind of prophecy articulates a closeness with God (
not a foretelling of the future) the Muslim assertion that Muhammad was the "cream of the prophets"* can be shown to be false; anytime a guru or boddhisattva, anytime a monk cloistered in his monastery achieved communion with God, another prophet would be created. This view, of course, assumes the existence of God in some form or another, but that view can never be (according to Kant,
Prolegomena to Any Future Metaphysics) satisfactorarily proved or disproved.
Note: It is also possible that there are others, such as Baruch Spinoza or William Blake, who felt God without achieving communion with Him: could or would they be considered prophets?, I wonder.
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*I.e., the last prophet. There are two meanings in this statement; the idea that Muhammad was the cream (best) of the prophets would still be true to Muslims.