EXCEPTION, n. A thing which takes the liberty to differ from other
things of its class, as an honest man, a truthful woman, etc. "The
exception proves the rule" is an expression constantly upon the lips
of the ignorant, who parrot it from one another with never a thought
of its absurdity. In the Latin, "_Exceptio probat regulam_" means
that the exception _tests_ the rule, puts it to the proof, not
_confirms_ it. The malefactor who drew the meaning from this
excellent dictum and substituted a contrary one of his own exerted an
evil power which appears to be immortal.
-- Ambrose Bierce, "The Devil's Dictionary"
MIND, n. A mysterious form of matter secreted by the brain. Its
chief activity consists in the endeavor to ascertain its own nature,
the futility of the attempt being due to the fact that it has nothing
but itself to know itself with....