Answer:
I am what no man ever yet did see, which never was, but always is to be. What am I?
Iron roof, glass walls, I burn and burn but never fall. What am I?
You are my brother, but I am not your brother. Who am I?
I march before armies a thousand salute me. My fall can bring victory but no one would shoot me. The wind is my lover one-legged am I. Name me and see me at home in the sky.
I have a brother. However much we run we do not reach each other.
What did the piece of wood say when he saw the screwdriver and screws approaching?