The only secure computer system in the world is unplugged, locked in a vault at the bottom of the ocean and only one person knows the location and combination of that vault. And he is dead.

-- Bruce Schneier in "Applied Cryptography"

Perfection (in design) is achieved not when there is nothing more to add, but rather when there is nothing more to take away.

-- Antoine de Saint-Exupéry (who was an aviator and aircraft designer, when he wasn't being the author of classic childrens' books)