Answer:
It floats over the land, It cuts the tallest mountain, Its voice is like a fountain, Its body like a snake, Will flow into a lake.
What is bought by the yard by is worn by the foot?
Take one out and scratch my head I am now black but once was red.
As a whole, I am both safe and secure. Behead me, I become a place of meeting. Behead me again, I am the partner of ready. Restore me, I become the domain of beasts.
What is it that no man ever yet did see, which never was, but always is to be?
What did the piece of wood say when he saw the screwdriver and screws approaching?