Nothing is fool-proof to a sufficiently talented fool.

I am sick unto death of obscure English towns that exist seemingly for
   the sole accommodation of these so-called limerick writers and even
   sicker of their residents, all of whom suffer from physical
   deformities and spend their time dismembering relatives at fancy dress
   balls.
   -- Editor of the Limerick Times (Limerick, Ireland)

Eagles may soar, but weasels don't get sucked into jet engines. 

"When women are depressed they either eat or go
   shopping. Men invade another country."
   --- Elayne Boosler

"*DON'T DO THIS*.  It is *BAD* engineering.  *BAD* engineers *DESERVE* to be
 unemployed, living under park benches, and feeding off of slow moving
 pigeons."
                        -- Terry Lambert, in comp.unix.bsd.freebsd.misc