Answer:
The more of it there is, the less you see.
I can run but not walk. Wherever I go, thought follows close behind.
If eleven plus two equals one, what is nine plus five equal to?
The ones who see it may go blind, Contracting the fool's madness. You have to dig to find it, Crush big stones or mine it. Wash dirt clumps in a pan and wait for it to settle, A shiny, precious metal.
You can spin, wheel and twist. But this thing can turn without moving.
What never gets any wetter no matter how hard it rains?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?