And that eventually through these revolutions you're going to have a new dynasty which is going to bring peace and order. The mandate of heaven is going to give you justice. And eventually that dynasty is going to get corrupt and that's going to justify. You get it? It goes on forever and ever and ever. So the mandate of heaven is going to be what the Chinese people believe in terms of where the power comes to the rulers. Now let's look a little bit at the Cho dynasty itself.