Answer:
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.
I mirror your actions.
I am black white and read all over.
I go through a door but never go in and never come out.
After you go through a fall, I will take over. All life will stall, or at least grow slower. What am I?
Brings the sky a lot closer.