What Am I Riddles

Question: Having one, means having something to follow. Once you question it, it means having none. People seek it, but some do and some don't find it. What is it?

Question: I can be flipped and broken but I never move. I can be closed, and opened, and sometimes removed. I am sealed by hands. What am I?

Question: People pick me, and watch me until they give me power. Then they don't stare in my eyes. What am I?

Question: People pick me, and watch me until they give me power. Then they don't stare in my eyes. What am I?

Question: Living I do not exist. Dead I am an inspiration. You always doubt me. But never reject me. I am what is given from old to young. Without me people would not learn mistakes. What am I?