Answer:
It's in your hand though you can not feel it. Only you and time can reveal it.
This is in a realm of true and in a realm false, but you experience me as you turn and toss.
He has one and a person has two. A citizen has three. And a human being has four. A personality has five. And an inhabitant of earth has six.
Who is he that runs without a leg. And his house on his back?
Ten men's strength, ten men's length. Ten men can't break it, yet a young boy walks off with it.
You use it between your head and your toes, the more it works the thinner it grows.