Answer:
What always goes to bed with his shoes on?
Whoever makes it, tells it not. Whoever takes it, knows it not. And whoever knows it wants it not
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.
When set loose I fly away. Never so cursed as when I go astray.
What flies around all day but never goes anywhere?
Brings the sky a lot closer.