Answer:
Describes universities like Harvard and can be poisonous.
What kind of room has no windows or doors?
It comes only before, it comes only after. Rises only in darkness, but rises only in light. It is always the same, but is yet always different.
I usually wear a yellow coat. I usually have a dark head. I make marks wherever I go.
What surrounds the world, yet dwells within a thimble?
What covers its face with its hands, speaks no language, yet most known what it's saying?