Answer:
What can bring back the dead. Make us cry, make us laugh, make us young. Born in an instant yet lasts a life time?
The ones who see it may go blind, Contracting the fool's madness. You have to dig to find it, Crush big stones or mine it. Wash dirt clumps in a pan and wait for it to settle, A shiny, precious metal.
It stands upright and can be quite grand. Its secret is not hidden but right at hand. What is it?
A hole leading in, a hole leading out, we connect to a cavern that is slimy all throughout. What are we?
What is round as a dishpan, deep as a tub, and still the oceans couldn't fill it up?
If I say "everything I tell you is a lie", am I telling you the truth or a lie?