Metermaids eat their young.
Mickey Mouse wears a Spiro Agnew watch.
MICRO: Thinker toys.
Micro Credo: Never trust a computer bigger than you can lift.
Microbiology Lab: Staph Only!
Microwaves frizz your heir.
Mieux vaut tard que jamais!
Might as well be frank, monsieur. It would take a miracle to get you out of Casablanca and the Germans have outlawed miracles. -- Casablanca
Miksch's Law: If a string has one end, then it has another end.
Militant agnostic: I don't know, and you don't either.