Answer:
I am what no man ever yet did see, which never was, but always is to be. What am I?
I am the black child of a white father a wingless bird flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me even though there is no cause for grief and at once on my birth I am dissolved into air.
I help engines spin and pants stay up
What has 4 fingers and a thumb but isn't alive?
What goes through cities and fields but never moves?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?