Answer:
Whoever makes it, tells it not. Whoever takes it, knows it not. And whoever knows it wants it not
What binds two people yet touches only one?
I go around in circles, but always straight ahead. Never complain, no matter where I am led.
What is that which, though black itself, enlightens the world without burning?
What's as small as a mouse but guards a house like a lion?
What did the piece of wood say when he saw the screwdriver and screws approaching?