Answer:
The more of them you take, the more you leave behind. What are they?
What is it that makes tears without sorrow and takes its journey to heaven?
What is that which, though black itself, enlightens the world without burning?
What has a big mouth, yet never speaks?
Three little letters, a paradox to some. The worse that it is, the better it becomes.
What did the piece of wood say when he saw the screwdriver and screws approaching?