Answer:
Something wholly unreal, yet seems real to I. Think my friend, tell me where does it lie?
What tree that definitely grows does not have a shadow and does not grow fruit?
Whoever makes it, tells it not. Whoever takes it, knows it not. Whoever knows it, wants it not. What is it?
A dragon's tooth in a mortal's hand, I kill, I maim, I divide the land.
Lives without a body, hears without ears, speaks without a mouth, to which the air alone gives birth. What is it?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.