Answer:
What goes up and down without moving?
What runs around the whole yard without moving?
Brings the sky a lot closer.
What is it that no man ever saw, which never was, but always will be?
Come up and we go, Go down and we stay.
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.