Answer:
What liquid can contain the soul?
Whoever makes it, tells it not. Whoever takes it, knows it not. Whoever knows it, wants it not. What is it?
I can be written, I can be spoken, I can be exposed, I can be broken.
Up on high I wave away but not a word can I say.
You seek it out, when your hunger is ripe. It sits on four legs, and smokes a pipe.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?