Answer:
Lighter than what I am made of, more of me is hidden than is seen. What am I?
I can be repeated but rarely in the same way. I can't be changed but can be rewritten. I can be passed down, but should not be forgotten. What am I?
I am mother and father, but never give birth or nurse. I'm rarely still, but I never wander. What am I?
Use me if you really want to see inside someone
Never resting, never still. Moving silently from hill to hill. It does not walk, run or trot. All is cool where it is not. What is it?
I'm the source of all emotion but I'm caged in a white prison.