Answer:
What is that you will break everytime you name it?
To cross the water I'm the way, for water I'm above. I touch it not and, truth to say, I neither swim nor move.
Two horses, swiftest traveling, harnessed in a pair, and grazing ever in places. Distant from them.
A house with two occupants, sometimes one, rarely three. Break the walls, eat the boarders, then throw away me.
Describes universities like Harvard and can be poisonous.
What did the piece of wood say when he saw the screwdriver and screws approaching?