Answer:
I am a piece of paper that takes most people 3 or 4 years to get. What am I?
I am a protector. I sit on a bridge. One person can see right through me, while others wonder what I hide. What am I?
I saw the dead bring forth the living. I saw the living bring forth the dead. What did I see?
I run around the city but I never move.
I sleep by day, I fly by night. I have no feathers to aid my flight. What am I?
What is always coming but never arrives?