A brave man could conquer fear, he had learned that, but perhaps only for a time. It was something the young did not understand, the way it could gnaw at a man, the way it came back stronger every time, until you were alone and gasping for breath.

There is a world outside the one we know,” he said softly, “with cultures and races and armies who have never heard of us. Yes, and cities greater than Yenking and Karakorum. To survive, to grow, we must remain strong. We must conquer new lands, so that our army is always fed, always moving. To stop is to die, Chagatai.

A man needs to feel a little fear, Tolui, if only to have the pride of conquering it.

The world has grown too large for one army of the nation, my brother. You will ride where I tell you to ride, conquer where I tell you to conquer. The world is yours, if you can put aside the base part of you that tells you to rule it all. That you may not have. Now give me an answer and your oath. Your word is iron, brother, and I will take it. Or I can just kill you now.