Multiverse Multiverse?! Really? Why not a double-folded universe? Or quadruple-folded multiverse? Theoretical physicists are a bunch of smart guys thinking about nonsense.
Extermination Taking into account NASA’s ambitions regarding space quests, it is good that Martians don’t exist. If they were, they’d be promptly exterminated.
Undue credit Consider this: If Earth is flying through Space, all of us are actually flying. Man is prone to taking credit for someone else’s achievements.