Mephisto: The fourth person in the Holy Trinity.
Militancy: A fixed, fighting mental attitude that will never know when the war is over.
Midnight: 1. The Pole of the hours; a pincushion on which sparkle all the seconds of a day; the keel of the good ship Tomorrow. 2. A chimney whence the dreams of today issue in smoke.
Metaphysics: 1. An attempt to define a thing and by so doing escape the bother of understanding it. 2. The explanation of a thing by a person who does not understand it.
Middleman: One who works both ends against the middle.