Because, Unicorns are VERY shy creatures and only people who truly belive in them see them and if you don't belive in them then you wont be able to see one. If you see one then you must be a very lucky person it's a sign of luck and that you are special. Belive it specialy from a child. :D
Simply, because no one has ever seen one.
Because they are narrow-minded.
Humans can not turn into flying unicorns, or can they?
By unicorns
No, it is a non-cyclic, saturated alkane called hexane of which 5 different isomers exsist
definetly Unicorns.
unicorns
unicorns still exsist, but you have to be a maiden to see them . oh and you have to belive.
Monsters don't exsist! They cannot swallow you if they do not exsist.
Yes hobos do exsist. They are secret agents working for bill gates.
no!
we exist by god he created earth and people and everything else in ever existed or ever will exsist.
they don't exsist. this is why they don't exsist: http://www.youtube.com/watch?v=4MT5oNEHrNs
No.
Yes.
No.
Yes.
no
No, she was a myth.