Answer:
Even if you throw it away, it still comes back.
What is yours but only used by others?
The part of the bird, that is not in the sky, Which can swim in the ocean and always stay dry. What is it?
I occur twice in eternity. And I'm always within sight.
An artΒ-form and its colourful result.
Two little holes in the side of a hill. Just as you come to the cherry-red mill.