" It would take a lot to faze a copper from the Met.
It would take, for example, a huge, battered car that was nothing more nor less than a fireball, a blazing, roaring, twisted metal lemon from Hell, driven by a grinning lunatic in sunglasses, sitting amid the flames, trailing thick black smoke, coming straight at them through the lashing rain and the wind at eighty miles per hour.
That would do it every time. "

― Terry Pratchett , Good Omens: The Nice and Accurate Prophecies of Agnes Nutter, Witch