Since the desire world and the desires that bring us here are a topic . . .

. . . and since the little people love to pose these things to humans.

Here is a riddle:

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There are three transcendental treasures to be found within this mortal world.
Two of these treasures can only be discovered once in a lifetime.
Only when the first two treasures are known will the third treasure reveal itself to mortal eyes.

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What are they?

I'll post the answer later. I promise to remember (probably).