In this day and age, in our modern democracies all around the world, you've got a coopt a significant chunk of the population for any big movement. What if you just had to convert one person? We mentioned frederick the great earlier ruler of prussia, so often associated with the enlightenment. This is a guy who, for all intents and purposes, has done what a lot of other kings throughout history have done. You don't have to convince a whole lot of people in the country that this is the way to go. You can just do it.