Answer:
Although my cow is dead, I still beat her. What a racket she makes!
They're up near the sky, on something very tall. Sometimes they die, only then do they fall.
A certain wizard resided in a city made from this gemstone.
What goes in the water red, and comes out black?
What is it that no man ever yet did see, which never was, but always is to be?
I have two eyes in the front and a lot of eyes on my tail