Answer:
When the day after tomorrow is yesterday, today will be as far from Wednesday as today was from Wednesday when the day before yesterday was tomorrow. What is the day after this day?
What asks but never answers?
Walk on the living, they don’t even mumble, Walk on the dead, they mutter and grumble. What are they?
Tool of thief, toy of queen. Always used to be unseen. Sign of joy, sign of sorrow. Giving all likeness borrowed.
When you stop and look, you can always see me. If you try to touch, you cannot feel me. I cannot move, but as you near me, I will move away from you.
I’m grown from darkness but shine with a pale light. Very round I am and always a lady's delight.