"But sir, on what does the Windows operating system rest?" "Why, on the back of an error, of course." "Um... and on what, may I ask, does the error stand?" "

"But sir, on what does the Windows operating system rest?" "Why, on the back of an error, of course." "Um... and on what, may I ask, does the error stand?" "Ah, but you're clever, young man. Too clever by half. It's errors, all the way down."