Answer:
I'm the start of eternity and the end of space. There are two of me in heaven and one in hell.
Even if you throw it away, it still comes back.
When a doctor hits you with a hammer he is testing this
What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?
One who has offended the government and has been detained by it
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?