Answer:
What goes around the world and stays in a corner?
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.
What can be swallowed, but can swallow you?
As soft as silk, as white as milk, as bitter as gall, a thick green wall, and a green coat covers me all.
Two in a whole and four in a pair. And six in a trio you see. And eight's a quartet but what you must get. Is the name that fits just one of me?
Which popular cheese is made backwards?