Answer:
Tool of thief, toy of queen. Always used to be unseen. Sign of joy, sign of sorrow. Giving all likeness borrowed.
What is it that given one, you’ll have either two or none?
What holds names and memories which are not its own?
In we go, out we go. All around and in a row. Always, always steady flow. When we'll stop, you'll never known. In we go, out we go.
What kind of table has no legs?
It weighs next to nothing but no one can hold it for long. What is it?