Answer:
They try to beat me, they try in vain. And when I win, I end the pain.
It is a sound of empty, speak and it'll talk back plenty. But all the more you yack, you'll get the same words back.
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.
Inside a burning house, this thing is best to make. And best to make it quickly, before the fire's too much to take.
You heart it speak, for it has a hard tongue. But it cannot breathe, for it has not a lung.
Iām grown from darkness but shine with a pale light. Very round I am and always a lady's delight.