If you put together all the Christians in the world, with their Emperors and their Kings, the whole of these Christians, - aye, and throw in the Saracens to boot, - would not have such power, or be able to do so much as this Kublai, who is Lord of all the Tartars in the world.

The travels of Marco Polo, the Venetian (ed. Doubleday, 1926)