Answer:
It's like food but water kills it. What is it?
What is the freedom of birds and the pen of old men?
I weaken all men for hours each day. I show you strange visions while you are away. I take you by night, by day take you back. None suffer to have me, but do from my lack.
What is that which, though black itself, enlightens the world without burning?
Glittering points that downward thrust. Sparkling spears that never rust.
What did the piece of wood say when he saw the screwdriver and screws approaching?