Answer:
I'm the source of all emotion, but I'm caged in a white prison.
If all Wibbles are Criggles, all Borkins are Kwumblins, no Hoggles are Borkins, and all Criggles are Borkins, is it true that all Borkins are Criggles?
Pregnant every time you see her, yet she never will give birth.
What comes once in a minute, twice in a moment, but never in a thousand years?
You throw away the outside and cook the inside. Then you eat the outside and throw away the inside. What did you eat?
You use it between your head and your toes, the more it works the thinner it grows.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?