Answer:
It speaks without a tongue, and listens without ears.
A father's child, a mother's child, yet no one's son
What is something that can go up quite easily, but is not as easy to bring back down?
What must be looked through in order to see?
What has a foot but no leg?
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.