Answer:
Walk on the living, they don’t even mumble, Walk on the dead, they mutter and grumble. What are they?
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 boonÂ…One empty, and one full.
I can move even when you are still. I can be one or many.
They have not flesh, nor feathers, nor scales, nor bone. Yet they have fingers and thumbs of their own.
What is it something that you always have but you always leave behind?
What did the piece of wood say when he saw the screwdriver and screws approaching?