Answer:
The more of it there is, the less you see.
I am always in front of you, but you will never see me. What am I?
A man shot two arrows at its center and missed both times, but using a sword swung once at its center and hit it twice.
What surrounds the world, yet dwells within a thimble?
What goes through a door but never goes in. And never comes out?
What did the piece of wood say when he saw the screwdriver and screws approaching?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?