Answer:
I'm a god. I'm a planet. I measure heat.
It holds most knowledge that has ever been said. But is not the brain, is not the head. To feathers and their masters, it's both bane and boonΒ One empty, and one full.
I'm the source of all emotion, but I'm caged in a white prison.
You must keep this thing. Its loss will affect your brothers. For once yours is lost, it will soon be lost by others.
What is given but kept by the giver?
What did the piece of wood say when he saw the screwdriver and screws approaching?