Answer:
A certain wizard resided in a city made from this gemstone.
I have rivers without water. Forests without trees. Mountains without rocks. Towns without houses.
The barber of New York shave all men in New York. No man living in New York is allowed to shave himself. The barber of Nee York lives in New York. Who shaves the barber ?
Bold are the first; true are the second; playful are the third; clever are the fourth; forceful are the fifth.
Something wholly unreal, yet seems real to I. Think my friend, tell me where does it lie?
You use it between your head and your toes, the more it works the thinner it grows.