Answer:
I'm sometimes white but most often I'm black. I take you there but never bring you back.
I saw the dead bring forth the living. I saw the living bring forth the dead. What did I see?
What three letters change a boy into a man?
I am just two and two. I am hot. I am cold. I am the parent of numbers that cannot be told. I am a gift beyond measure a matter of course. I am given with pleasure when taken by force.
With a halo of water and a tongue of wood, stone as skin long I stood. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.