Answer:
A truck driver is going opposite traffic on a one-way street. A police officer sees him but doesnโt stop him. Why didnโt the police officer stop him?
What goes up the hill and down the hill, And spite of all, yet stand still?
How can you throw a ball 20 meters, and have it come back to you without hitting anything?
What is the building that you leave without ever having entered.
A train just leaves a station and enters a tunnel. Where is the best place for a claustrophobic person to sit?
I only exist when you are here. Where you never were I can never be.