Answer:
It cannot be seen, cannot be felt, Cannot be heard, cannot be smelt. It lies behind stars and under hills And empty holes it fills. It comes first and follows after, Ends life, kills laughter.
Salty water everywhere but not sea in sight.
I build up castles. I tear down mountains. I make some men blind. I help others to see.
What can you put in a barrel to make it lighter?
I can run but not walk. Wherever I go, thought follows close behind.
What covers its face with its hands, speaks no language, yet most known what it's saying?