Answer:
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.
Send poorly behaved children to me and let them sit here.
I carry you down a gentle stream.
My first though water cures no thirst my next alone has soul and when he lives upon my first he then is called my whole.
I am in the past, never in the future. I don't exist, but have existed. I saw what you saw, and this is what I will ever see. What am I?
Give it food and it will live, give it water and it will die.