Answer:
Passed from father to son and shared between brothers, its importance is unquestioned though it is used more by others.
Mountains will crumble and temples will fall, and no man can survive its endless call. What is it?
Never ahead, ever behind, yet flying swiftly pastΝΎ For a child I last forever, for adults I'm gone too fast.
Which is the oldest tree?
What goes through a door but never goes in and never comes out?
How did the farmer find his wife?