Answer:
You will always find me in the past. I can be created in the present, but the future can never taint me. What am I?
Without me everyone would lose their head.
I begin your sentences. What am I?
Lighter than what I am made of, more of me is hidden than is seen. What am I?
What goes up and down, but does not move?
I fly to any foreign parts assisted by my spreading wings. My body holds an hundred hearts Nay I will tell you stranger things when I am not in haste I ride and then I mend my pace anon.