A lot hinges on the fact that, in most circumstances, people are not allowed to hit you with a mallet. They put up all kinds of visible and invisible signs that say, 'Do not do this' in the hope that it'll work, but if it doesn't, then they shrug, because there is, really, no real mallet at all.
Terry PratchettThe most important thing was that time had passed, pouring thousands of soothing seconds across the island. People need time to deal with the now before it runs away and becomes the then.
Terry Pratchett