Evil in the Fouth Age and Beyond

[Veritas]

To be honnest, I haven't written that, it was a friend of me, and he's very known about everything that has to do with Tolkien. But I agree with it, only not really the knights tale. But if there are only human left, wich wars do they have to fight?
It does not have to mean that there not will be great battles, but then, I think, the humen must unite in two Lords, how fight against eachother. The humen have no power to make rings, produce orc, or anything like that.
My conclusion is, if there comes a Final Battle, then a lot has to change after the Third Age, wich includes, uprise from the Dwarves and Hobbits, maybe the Ents show up again, and some Elves must return, to create a whole new 'world' where Good and Evil can show up. But that doesn't mean that Tolkien stopt every change of a Final Battle, only nowone knows...