If each dead person became a ghost, there'd be more than 100 billion of them haunting us all. Creepy, but cool.
Neil deGrasse TysonOne of the reasons we're here, that we exist at all, is that Earth, cosmically speaking, is in a relatively peaceful place: orbiting our Sun in a near perfect circle.
Neil deGrasse Tysonwhen I wrestled, I would set aside the time to wrestle, so that in my mind it didn't interfere with my study time. That helped me psychologically. When I'm wrestling, I'm not studying the universe. And when I'm studying the universe, I'm not wrestling.
Neil deGrasse Tyson