Answer:
A man who was outside in the rain without an umbrella or hat didnโt get a single hair on his head wet. Why?
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 boonย One empty, and one full.
Lighter than what I am made of, More of me is hidden Than is seen.
What is the thing which, once poured out, cannot be gathered again?
What flies without wings?
Why did the teacher have to wear sunglasses?