Answer:
I am a box which holds keys but not locks. With the right combination, I may unlock your soul. What am I?
I am what no man ever yet did see, which never was, but always is to be. What 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 only exist when you are here. Where you never were I can never be.
Adored by few, feared and hated by many. Mistress of the entire universal reason, master in the art of numbers. Some may have solved many of my mysteries, but there are still many of them to find. What am I?
What language does a billboard speak?