Answer:
What goes around and around the wood, but never goes into the wood?
Without this, eating food and Steven Spielberg's career would be very different.
Two brothers we are, great burdens we bear. All day we are bitterly pressed. Yet this I will say, we are full all the day, and empty when go to rest.
As a whole, I am both safe and secure. Behead me, I become a place of meeting. Behead me again, I am the partner of ready. Restore me, I become the domain of beasts.
We are all around, yet to us you are half blind. Sunlight makes us invisible, and difficult to find.
What covers its face with its hands, speaks no language, yet most known what it's saying?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?