Answer:
The man who invented it doesn't want it. The man who bought it doesn't need it. The man who needs it doesn't know it. What is it?
I saw a strange creature. Long, hard, and straight, thrusting into a round, dark opening. Preparing to discharge its load of lives. Puffing and squealing noises accompanied it, then a final screech as it slowed and stopped.
What liquid can contain the soul?
What flies without wings? What passes all things? What mends all sorrow? What brings the morrow?
To cross the water I'm the way, for water I'm above. I touch it not and, truth to say, I neither swim nor move.
Why did the stadium get so hot after the game?