Answer:
More precious than gold, but cannot be bought, Can never be sold, only earned if it’s sought, If it is broken it can still be mended, At birth it can’t start nor by death is it ended.
In the evening I'm long, in the morning I'm small; When seen in a ballroom, I'm nothing at all.
There are several different kinds, but the one you pick doesn't do its job. What is it?
My first is equality; my second is inferiority; my whole is superiority.
What do people want the least on their hands?
I’m grown from darkness but shine with a pale light. Very round I am and always a lady's delight.