If any of them had chosen to look out of the window at that moment, they would have been startled by the… — Douglas Adams
If any of them had chosen to look out of the window at that moment, they would have been startled by the sight of Ford Prefect dropping past them to his certain death and flipping the finger at them.
Source: Wikiquote · CC BY-SA 4.0
More from this book
The last time anybody made a list of the top hundred character attributes of New Yorkers, common sense snuck in at number 79.
The thing they wouldn't be expecting him to do was to be there in the first place. Only an absolute idiot would be sitting where he was, so he was winning already. A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.
One of the problems has to do with the speed of light and the difficulties involved in trying to exceed it. You can't. Nothing travels faster than the speed of light with the possible exception of bad news, which obeys its own special laws.

