Answer:
Who works when he plays and plays when he works?
Halo of water, tongue of wood. Skin of stone, long I've stood. My fingers short reach to the sky. Inside my heart men live and die.
There is a puzzle which can be asked all day with a different correct answer each time. What is the puzzle?
Has feathers but can't fly. Rests on legs but can't walk.
I am two-faced but bear only one. I have no legs but travel widely. Men spill much blood over me. Kings leave their imprint on me. I have greatest power when given away, yet lust for me keeps me locked away.
What is so fragile that saying its name breaks it?