 When soldiers under the command of the Sui general Han Qinhu () entered the crown prince's palace, Chen Yuan's staff largely fled, but Chen Yuan, said to be then a teenager, himself solemnly sat within his hall to wait for the soldiers to enter, attended only by Kong Boyu ().When the Sui soldiers entered, Chen Yuan greeted them, neither overly arrogantly nor overly self-deprecating, with, "You have marched a long way, and I can see that you are tired.