Go on, prove me wrong. Destroy the fabric of the universe. See if I care. - Terry Pratchett

"WHAT WOULD HAVE HAPPENED IF YOU HADN'T SAVED HIM?
"Yes! The sun would have risen just the same, yes?"
NO
"Oh, come on. You can't expect me to believe that. It's an astronomical fact."
THE SUN WOULD NOT HAVE RISEN.
...
"Really? Then what would have happened, pray?"
A MERE BALL OF FLAMING GAS WOULD HAVE ILLUMINATED THE WORLD."

"But we're a university! We have to have a library!" said Ridcully. "It adds tone. What sort of people would we be if we didn't go into the library?"

"Students," said Senior Wrangler morosely.

There are hardly any excesses of the most crazed psychopath that cannot easily be duplicated by a normal kindly family man who just comes in to work every day and has a job to do.