“Where does someone go when he dies?', 'When does fear end?', 'Where are all the single socks that disappeared in the washing machine?”
“Where does your soul go, when you die in Hell?”
“Energy can't be destroyed, only converted into something different. So when a person dies, where does that energy go?”
“What are the boundaries of charity? When started, where does it morally end?”
“Where does a thought go when it's forgotten?”
“When I erase a word with a pencil, where does it go?”