"The conventional word that is employed to describe tyranny is “systematic.” The true essence of a dictatorship is in fact not its regularity but its unpredictability and caprice; those who live under it must never be able to relax, must never be quite sure if they have followed the rules correctly or not. (The only rule of thumb was: whatever is not compulsory is forbidden.) Thus, the ruled can always be found to be in the wrong."