Can anything be stupider than that a man has the right to kill me because he lives on the other side of a river and his ruler has a quarrel with mine, though I have not quarrelled with him?
I feel like we are reintroducing historical figures, with the explorer Marco Polo and the grandson of Genghis Khan, Kublai Khan, the ruler of the Mongol empire, the trading place that everybody wanted to get involved in.