We are all different. There is no such thing as a standard or run-of-the-mill human being, but we share the same human spirit.
Stephen HawkingGravity is so strong that space is bent round onto itself, making it rather like the surface of the earth. If one keeps traveling in a certain direction on the surface of the earth, one never comes up against an impassable barrier or falls over the edge, but eventually comes back to where one started.
Stephen Hawking